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Science Trivia Questions and Answers

Discover Engaging Scientific Facts Through Trivia

Science trivia questions offer an entertaining and informative way to expand knowledge across various scientific disciplines. Covering intriguing areas such as astronomy, biology, chemistry, physics, and earth sciences, these trivia questions help stimulate curiosity and deepen understanding about the world around us.

Each question is crafted to encourage critical thinking and inspire an appreciation for scientific discoveries and phenomena. From understanding the complexities of space exploration to appreciating intricate biological processes, these trivia questions reveal remarkable facts and insights.

Engaging regularly with these informative questions can foster a greater appreciation for science, making learning enjoyable and enriching for participants of all ages.

Which animal can rotate its head nearly 270 degrees?
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What is the smallest planet in our solar system?
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Who is known as the father of modern physics?
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What is the largest internal organ in the human body?
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What does DNA stand for?
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How many chambers does the human heart have?
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What is the largest planet in our solar system?
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Which planet is known as the Red Planet?
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What is the hardest natural substance on Earth?
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What is the largest bone in the human body?
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What is the nearest star to Earth?
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What is the chemical symbol for helium?
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What do we call animals that only eat plants?
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Which planet is known as Earth's sister planet due to its size and mass similarity?
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Which element is most abundant in the human body by mass?
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What scientific instrument is used to observe distant space objects?
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What is the center of an atom called?
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What is the study of weather called?
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What is the name given to animals that maintain constant body temperature regardless of the environment?
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Who is credited with inventing the first practical telephone?
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Which type of rock is formed through cooled magma or lava?
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What does pH measure?
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What microscopic organisms can cause diseases and infections?
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Which device is used by doctors to listen to heartbeats and breathing?
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What is the chemical symbol for potassium?
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What organ in the human body produces insulin?
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What vitamin is plentiful in citrus fruits?
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Which celestial event occurs when Earth passes directly between the Sun and the Moon?
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Which bird lays the world's smallest egg?
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What mineral is essential for healthy bones and teeth?
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What metal has the chemical symbol Al?
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Which particle has no electrical charge and is found in an atom's nucleus?
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What kind of animal breathes through gills?
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What unit of measurement is abbreviated Hz?
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Who invented the polio vaccine?
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Which substance is known as laughing gas?
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What force holds planets in orbit around the Sun?
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Which scientist is known for the laws of planetary motion?
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What pigment gives plants their green color?
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What term describes animals active at night?
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Which bone is also known as the collarbone?
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What term describes an animal that hunts and eats other animals?
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Which element's chemical symbol is Ag?
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What human body organ eliminates waste and excess fluids by filtering blood?
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What do we call the molten rock found beneath Earth's surface?
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What renewable energy source converts wind energy into electricity?
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Which blood vessels carry blood toward the heart?
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What planet is farthest from the Sun in our solar system?
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What is the largest type of big cat on Earth?
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What planet has the hottest average surface temperature?
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Which natural satellite orbits the Earth?
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What is the main gas produced through cellular respiration in animals?
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Which scientist discovered penicillin?
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What kind of celestial body is Halley's Comet?
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What is measured in watts?
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Which gas is commonly released during volcanic eruptions?
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What type of bond involves the sharing of electron pairs between atoms?
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Which scientist is credited with discovering radioactivity?
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What gas protects Earth from harmful ultraviolet rays?
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What is the chemical symbol for carbon dioxide?
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What cell component controls entry and exit of substances?
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Who proposed the idea of natural selection?
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What is the name of Earth's outermost layer?
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Which star is often called the North Star?
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What captures sound waves and helps us hear?
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What do butterflies and moths belong to which insect order?
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Which layer of Earth's atmosphere contains the ozone layer?
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What phenomenon causes a spoon to appear bent under water?
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What is the smallest bone in the human body?
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What is the process in which liquid water turns into water vapor?
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What type of energy is stored due to position or height?
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Which acid is commonly found in vinegar?
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What is the primary organ of taste?
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Which bird species is known to be flightless and native to Antarctica?
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What covers human teeth protecting them from damage?
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What mineral substance is known as Table Salt?
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What planet’s day is longer than its year?
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What unit is commonly used to measure frequency?
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Which part of the human eye determines its color?
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What are animals without backbones called?
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What metal alloy is primarily made of copper and tin?
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What is the closest planet to Earth in average distance?
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What type of cloud is typically associated with thunderstorms?
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What term describes animals that live primarily in trees?
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What does LED stand for?
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What chemical element is diamond composed of entirely?
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What organelle produces proteins in cells?
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What is the compound commonly known as baking soda?
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What type of sugar is common table sugar?
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What large vein carries blood back into the right atrium of the heart?
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What organ breaks down alcohol in the human body?
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What is the primary metal extracted from hematite ore?
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Which classification of joint allows movement in only one plane?
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Which chemical element's symbol is 'Zn'?
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What scientific discipline studies plants?
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What substance makes plants rigid and strong?
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What compound is commonly called stomach acid?
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What is the primary oxygen-carrying pigment in muscles?
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What is the scientific term for organisms that create their own food?
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What device converts mechanical energy into electrical energy?
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What is the visible part of the human ear called?
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Which gases make up water chemically?
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What is the basic functional unit of the kidney?
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What type of vessel carries blood away from the heart?
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Which element has the symbol 'Mg'?
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Who first accurately described systemic blood circulation?
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What is the primary gas that makes Earth's sky appear blue?
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What celestial event occurs when the Moon is farthest from Earth in its orbit?
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Which animal is the fastest land mammal?
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Which element is commonly used in thermometers to measure temperature?
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What part of the plant captures sunlight energy for photosynthesis?
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What term describes the bending of light as it passes through different mediums?
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What is the largest organ in the human body including external organs?
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What SI unit is used to measure force?
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Which scientific instrument is used to magnify tiny life forms like bacteria?
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Which human body organ is responsible for maintaining water balance?
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What is the chemical formula of ozone?
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What process converts light energy into chemical energy in plants?
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What gas do humans exhale primarily?
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What is the hardest substance found naturally in the human body?
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What scale is used to measure the intensity of earthquakes?
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What human organ stores bile produced by the liver?
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What does RNA stand for?
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What celestial object orbits directly around a planet?
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Which organ is responsible for filtering air before it reaches the lungs?
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Which part of the skin produces hair?
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What human cell type carries oxygen from the lungs through the bloodstream?
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What chemical element has the symbol Cu?
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What unit measures electric resistance?
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Which chemical bond forms between oppositely charged ions?
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What compound has the formula NaCl?
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What phenomenon describes animals going dormant in winter conditions?
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What process describes plants losing water vapor through their leaves?
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Which vitamin helps in blood clotting?
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What structure helps fish control their buoyancy?
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What is the unit of measure for electrical current?
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What instrument is used to measure wind speed?
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What hormone regulates blood glucose levels by lowering it?
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What human organ system includes the skin, hair and nails?
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What is the most abundant gas in the Sun?
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What chemical element is symbolized by 'N'?
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What term refers to animals that lay eggs with shells?
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What is molten rock on Earth's surface called?
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Which compound is used as household bleach?
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What is the scientific study of fossils called?
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Which blood cells help protect the body against disease?
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What chemical element is represented by 'Pb'?
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What part of the eye adjusts in size to let more or less light enter?
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Which planet rotates on its side, having axial tilt around 98 degrees?
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Which organ stores urine until it exits the human body?
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What animal class has feathers as a characteristic feature?
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What force opposes the relative motion of surfaces sliding against each other?
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What metallic element is used to strengthen bones and muscles as a dietary mineral?
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What is the main component of hair and nails?
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What celestial object is a 'shooting star' actually?
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Who discovered electromagnetic induction?
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Which human senses are called chemical senses?
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What is the name given to animals without any teeth?
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What molecule primarily carries oxygen in red blood cells?
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What is the chemical symbol for iron oxide, commonly called rust?
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What term describes the amount of matter within an object?
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What type of celestial object passes near Earth's orbit periodically, causing meteor showers?
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What instrument measures atmospheric humidity?
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What unit is used to measure sound intensity?
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Which part of plants transports water from roots to leaves?
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What radioactive gas sometimes collects in basements of homes?
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What hormone is commonly associated with stress response?
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What mineral did humans historically use to make pencils?
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What subatomic particles orbit around the nucleus of an atom?
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What planet in our solar system has the most moons?
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Which gas is most abundant in Earth's atmosphere?
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What is the chemical symbol for sodium?
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How many bones does an adult human body typically have?
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What type of energy does the sun primarily provide to Earth?
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Who proposed the theory of relativity?
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What is the largest mammal on Earth?
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Which element is denoted by the chemical symbol 'O'?
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What is the basic unit of life?
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What is the boiling point of water in Celsius?
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In what galaxy is our solar system located?
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What type of celestial body is the Sun?
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How many states of matter are commonly found on Earth?
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Which organ is responsible for pumping blood throughout the body?
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What is the chemical symbol for gold?
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What natural disaster is measured by a Richter scale?
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What vitamin is produced by the body when exposed to sunlight?
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What force pulls objects toward Earth's center?
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Which substance turns litmus paper red?
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DNA stands for what?
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What part of the cell contains genetic material?
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Who developed the periodic table?
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What gas do plants absorb from the atmosphere during photosynthesis?
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How fast does light travel in a vacuum in kilometers per second?
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Which organ in the human body is primarily responsible for detoxification?
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What is the main constituent of natural gas?
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On which scale is absolute zero measured?
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Which famous physicist formulated the law of universal gravitation?
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Which human body system is responsible for breathing?
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What is Earth's primary source of heat and light?
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What type of joint is the shoulder joint?
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What planet is closest to the Sun?
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What is the most abundant element in the universe?
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Which meteorological instrument measures atmospheric pressure?
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Which component of blood helps in clotting?
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What do we call preserved remains of plants or animals?
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What kind of lens is used to correct near-sightedness?
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Which ocean is the largest on Earth?
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What is the SI base unit of electric current?
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What is a female reproductive cell called?
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What instrument is used to measure temperature?
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What part of the brain controls balance and coordination?
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Which organelle is considered the powerhouse of the cell?
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Which particle in an atom has negative charge?
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Pluto is now classified as what type of celestial body?
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What chemical element has the symbol 'Fe'?
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What color blood do octopuses have?
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Which human bone is commonly called the kneecap?
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What type of animal is a frog classified as?
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Which planet is famous for its rings?
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What are the most abundant cells found in blood?
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Which metal is liquid at room temperature?
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What is the chemical formula of water?
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What is studied by seismologists?
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What kind of energy is possessed by moving objects?
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What is the term used to describe animals that eat both plants and animals?
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What phenomenon occurs when the Moon passes directly between the Sun and Earth?
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What substance do bees predominantly produce?
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What gas do plants release during photosynthesis?
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What is called the powerhouse of a star?
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Which organelle stores genetic information in cells?
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What is the scientific study of the universe's origins and evolution?
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What body structure connects muscles to bones?
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What chemical compound creates acid rain when combined with rain water?
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What vitamin deficiency causes scurvy?
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What type of galaxy is the Milky Way?
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What is the main component of air by volume?
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Which science studies birds?
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What type of rock forms from compacted sediment?
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What molecule is the main source of energy in cells?
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Which gland produces the hormone adrenaline?
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What substance inside leaves allows gas exchange?
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Which particle carries a positive electrical charge?
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What instrument records earthquake waves?
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Which bird is the largest existing species of bird?
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What metallic element is commonly used to make electrical wires?
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What hormone regulates sleep-wake cycles?
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What device measures atmospheric pressure using mercury or air pressure?
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Which acid is commonly found in citrus fruits?
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What type of fungi is prominently used in bread making?
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Which instrument measures rainfall?
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What chemical substance provides pigment for human skin color?
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What is the longest bone located in the human arm?
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Which organ detoxifies blood from harmful substances?
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What animal's fingerprints are extremely similar to those of humans?
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What device is used for viewing underwater objects?
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Which particle determines the chemical behavior of the atom?
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What type of energy is derived from Earth's internal heat?
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In botany, what is a seed-bearing structure called?
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What marine creature is the largest animal currently living?
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What class do snails and octopuses belong to?
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What fluid lubricates joints to facilitate movement?
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What is a positively-charged ion called?
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What common kitchen substance is chemically known as acetic acid solution?
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Which gas is responsible for global warming due to human activities?
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What phenomenon causes objects to expand when heated?
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What is the greater circulation loop of blood through heart and body called?
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What is the scientific study of insects?
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What naturally occurring light display appears near polar regions of Earth?
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What kind of animal can live both on land and water?
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What is the process called when solids directly turn to gas bypassing liquid form?
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What green plants and algae mainly serve as in ecosystems?
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What compound makes soft drinks fizzy?
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What measurement indicates the brightness of stars when observed from Earth?
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What is the largest artery in the human body?
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What scientific study investigates earthquakes?
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What do we call the growth response of plants towards light?
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Which common mineral do we primarily consume to prevent thyroid disorders?
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What theory explains the movement of Earth's continents over geological time?
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What device is used to split white light into different colors?
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What gas do animals primarily inhale for metabolism and respiration?
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What unit measures electrical power consumption?
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What renewable energy source uses moving water to generate electricity?
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What common mineral is main constituent of limestone?
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Which cells in the retina help us detect color?
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What metal is majorly extracted from the ore called bauxite?
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What does a hygrometer measure?
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What biological polymer is composed of amino acids?
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What hormone stimulates milk production in mammals?
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What class of animals are whales classified under?
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What artificial metal alloy is made primarily of iron and carbon?
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What deficiency disease is caused by lack of Vitamin D?
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In chemistry, what number indicates the total mass of protons and neutrons in an atom?
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What is the electromagnetic radiation used to heat food in kitchens?
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What cell organelle digests cellular waste?
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What insects transmit malaria?
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What planet is known for the Great Red Spot storm?
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Which organ in the body produces bile?
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What is the main gas in Jupiter's atmosphere?
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Which scientist formulated the first law of thermodynamics?
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What is the most common mineral in Earth's crust?
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What type of wave is sound classed as?
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Which particle has a positive charge within an atom's nucleus?
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What genetic mutation involves an extra chromosome 21?
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Which scientist is known for developing laws of motion?
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What do we call animals that primarily eat insects?
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Which marine animal has the largest eyes on Earth?
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What is the process plants use to convert carbon dioxide into glucose?
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What is the longest bone in the human arm called?
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What type of energy is sunlight?
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Which galaxy is the closest neighbor to the Milky Way?
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What scale measures acidity or alkalinity of solutions?
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What phenomenon makes water droplets spherical in shape?
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In physics, what unit is pressure measured in?
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What is the primary gland regulating body metabolism?
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Which part of the brain regulates heartbeat and breathing?
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Which vitamin is essential for vision in dim light?
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What is the main organ used by humans for breathing?
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What are the smallest blood vessels in the body called?
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What is the primary substance that plants use for structural support?
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Which gland in the body produces melatonin?
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What is the scientific name for red blood cells?
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What planet in the solar system is famous for having a tilted rotational axis causing extreme seasons?
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What device measures electric current?
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What do we call it when animals shed their skin periodically?
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What biochemical process produces yogurt and cheese using bacteria?
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Which planet is often known as the 'Morning Star' or 'Evening Star'?
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What element's chemical symbol is Sn?
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Which type of energy involves the nuclei of atoms being split apart?
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What is the strongest muscle in the body based on weight and size?
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What metal is commonly used as an antiseptic agent in creams?
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What type of rock forms from heat and pressure altering existing rocks?
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Which mammal has the longest gestation period?
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What organ serves as the body's main blood filtration unit?
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Which vitamin deficiency leads to rickets?
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What protein in human blood transports oxygen?
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Which metal is commonly used in rechargeable batteries for smartphones and laptops?
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What kind of signal do nerve cells primarily use for communication?
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Which blood cells are responsible for fighting infections?
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What chemical element has an atomic number of 1?
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What is the process of water infiltrating the ground called?
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What does MRI stand for?
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Which force is responsible for objects floating on water?
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What scale measures tornado intensity?
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Which scientist introduced the theory of continental drift?
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What acid accumulates in muscles during strenuous exercise?
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What device measures altitude or height above sea level?
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What anatomical feature distinguishes mammals from other animals?
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What is the SI unit for temperature?
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What is the muscular tube connecting the mouth to the stomach called?
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What is the visible surface of the Sun called?
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What celestial objects are mainly composed of ice, dust, and rock?
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What chemical compound gives chili peppers their spicy taste?
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What type of animal is considered the largest reptile?
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What type of cells transmit impulses in the nervous system?
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What mineral is most important in oxygen transport in the body?
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What natural compound is aspirin derived from?
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What phenomenon causes a rainbow to form?
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What particle orbits the nucleus in specific energy levels?
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In which part of the plant does photosynthesis primarily occur?
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Which planet is known for a prominent hexagonal storm at its pole?
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What nutrient is crucial in muscle-building and growth?
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What type of tide occurs when Sun, Earth, and Moon form a right angle?
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What connective tissue attaches muscles to bones?
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What is a scientist who studies earthquakes called?
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What do human tears primarily consist of chemically?
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Which animal group includes sharks, skates, and rays?
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What astronomical tool helped Galileo make his significant discoveries?
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What is the largest type of living primate?
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What mineral is sand primarily composed of?
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What disease is transmitted by ticks and commonly affects dogs?
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What type of blood vessel carries oxygen-rich blood from the lungs to the heart?
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What is the condition of gradual loss of pigment in the skin called?
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What is the process of converting gas directly into solid?
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What part of the flower contains pollen grains?
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What element is the principal component of bronze?
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What planet has a prominent 'Great Dark Spot' similar to Jupiter's storm yet smaller?
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Which vitamin deficiency is known to cause night blindness?
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What mineral is the hardest according to the Mohs hardness scale after diamond?
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Which phenomenon describes water molecules sticking to each other?
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What is the process used by plants to convert glucose into energy even without sunlight called?
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What type of rock forms when sediments are cemented together through compaction?
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What instrument measures electrical voltage?
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Which celestial body was downgraded from planet status in 2006?
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What chemical element is added to water to disinfect it in municipal water systems?
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What gas was historically used in airships before helium became common?
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What do we call the network of nerves outside the brain and spinal cord?
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What metallic element has the highest melting point?
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In geology, what is the point within Earth where an earthquake originates called?
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What form of radiation carries the most energy and shortest wavelengths in the electromagnetic spectrum?
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Which moon of Jupiter is the largest moon in the Solar System?
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What blood type is known as the universal donor?
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How many pairs of chromosomes do humans normally have?
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What type of galaxy is the Andromeda galaxy classified as?
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Which rhesus factor in daily practice is most relevantly identified as positive or negative in blood types?
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What enzyme in saliva helps break down starches into sugars?
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What gas is used by plants to fix nitrogen?
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What two metals make up brass primarily?
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Which planet experiences a day length closest to Earth's?
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What is the largest known asteroid in the asteroid belt?
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What type of chemical element is krypton?
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What kind of cloud is very high, thin, and wispy, primarily made from ice crystals?
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What compound gives leaves their red, purple, or blue color in autumn?
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What is the stored carbohydrate in human muscles called?
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What is the chemical formula of methane gas?
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Which type of electromagnetic radiation allows humans to see objects?
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What fundamental biological molecule contains anticodons?
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What particles are released from the nucleus during beta decay?
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What is the main component in quartz crystals?
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What instrument is commonly used to measure earthquakes' magnitude other than the Richter scale?
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Which is currently the deepest known point on Earth's ocean floor?
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Anemophily refers to plant pollination by which means?
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Which hormone is responsible for the 'fight or flight' response in humans along with adrenaline?
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What layer lies directly beneath Earth's crust?
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Which waste product is removed from kidneys and found in urine?
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What is the main reason helium balloons float in air?
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Which nutrient class provides the highest energy per gram?
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What process allows water to rise vertically in thin tubes against gravity?
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What molecule is commonly known as wood alcohol?
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What pigment provides carrots their orange color?
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Which force is primarily responsible for tides on Earth besides gravitational pull from the Sun?
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What is the chemical symbol of tungsten?
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What is the main structural molecule found in fungal cell walls?
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What form of short wavelength electromagnetic radiation is typically used in medical imaging of bones?
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What condition arises from iron deficiency resulting in low hemoglobin levels?
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Which planet's axis tilt is similar to Earth causing it to have seasons comparable in length?
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What is exceeded when aircraft produce a sonic boom?
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What gas makes up approximately 21% of Earth's atmosphere?
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What term describes plant roots growing downward regardless of how the seed is oriented?
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What product is formed when copper oxidizes and turns green over time?
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What class of animals has dry, scaly skin and is ectothermic?
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In genetics, what term is given to identical alleles for one trait?
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What human organ system is responsible for hormonal regulation and communication?
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What chemical compound do fireflies produce to glow?
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In biology, what is a segment of DNA coding for a specific protein called?
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What body system do white blood cells primarily belong to?
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Which area within the cell contains ribosomal RNA synthesis and ribosome assembly?
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What radioactive isotope is commonly used to date archaeological samples?
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What Greek mathematician discovered buoyancy principle?
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Which mineral is used to produce drywall boards commonly utilized in home construction?
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What is the universal solvent due to its ability to dissolve many substances?
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What hormone regulates body growth and is produced by the pituitary gland?
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How many permanent teeth does a typical human adult have?
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What substance makes peppers taste spicy?
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What planet famously has polar ice caps composed mostly of dry ice?
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What polysaccharide is cotton predominantly made of?
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What chemical element is used in rechargeable electric vehicle batteries most frequently today?
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What astronomical object is most associated with pulsars?
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What blood vessels deliver nutrients and oxygen directly into tissues?
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What is the term for an animal that has the ability to live without water for very long periods?
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Which planet has the greatest axial tilt in our solar system?
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What sugar compound is the building block of cellulose?
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Which metal increases steel's resistance to rust when alloyed?
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Which vitamin's deficiency causes Beriberi?
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What scientific instrument measures radiation levels?
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What is the technical term for white blood cells?
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What chemical element is essential for thyroid gland function?
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What term is used to describe an animal that consumes blood exclusively for nutrition?
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What organ in birds grinds food mechanically?
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What scientific discipline focuses on the study of fungi?
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What type of electromagnetic radiation do microwaves belong to?
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Which vitamin is essential in the absorption of calcium?
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What kind of cells in the human immune system produce antibodies?
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What scale is commonly used to classify the intensity of hurricanes?
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What form of energy transfer occurs without direct physical contact between objects?
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Which gas is primarily used to keep packaged chips fresh by preventing oxidation?
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What is the largest gland found inside the human mouth?
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What chemical process converts sugar into ethanol and carbon dioxide?
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Which organelle is the site of lipid synthesis in cells?
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What is the geological period known as the Age of Reptiles?
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What scale measures wind speed based on observed sea and land conditions?
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What part of the plant conducts sugars produced by photosynthesis?
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Which chemical compound is known as quicklime?
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Which hormone regulates water conservation in kidneys?
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What term describes the chemical attraction of water molecules to other types of substances?
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Which metal is primarily extracted from the ore 'galena'?
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What term defines organisms that thrive in extreme environments?
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What chemical causes onions to induce tears?
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Which metal has the highest electrical conductivity?
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What medical imaging technique uses high-frequency sound waves?
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Which vitamin acts as a powerful antioxidant in the human body?
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What celestial phenomenon results from charged solar particles interacting with Earth's magnetic field?
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What is the biological pigment responsible for human skin tanning in sunlight?
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What mineral nutrient is crucial for chlorophyll synthesis in plants?
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In physics, what type of quantity has only magnitude and no direction?
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What property of liquids resists external forces and causes them to form droplets?
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What element is added to toothpaste to strengthen teeth enamel?
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What medical instrument measures blood pressure?
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What chemical reaction occurs when iron rusts in presence of oxygen and moisture?
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What organ is primarily affected by hepatitis?
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What type of tissue connects bones together at joints?
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What scientific study involves earthquakes and seismic waves?
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What device measures an earthquake's magnitude by seismic wave amplitude?
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What chemical compound is commonly used as antifreeze in car radiators?
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What term refers to the shedding of leaves by trees annually?
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What scientific discipline studies amphibians and reptiles?
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Which planet in our solar system is densest?
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What chemical property measures resistance to flow in liquids?
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What branch of medicine uses radiation for cancer treatment?
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What fossil fuel is primarily composed of methane?
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What is the common name for ascorbic acid?
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What organelle degrades worn-out cell components using digestive enzymes?
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What molecule is used for energy currency within cells?
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What is the process where white blood cells engulf pathogens?
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What gas is typically produced during yeast fermentation used in bread-making?
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What is another term for a fertilized egg cell?
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What chemical element makes up about 78% of Earth's atmosphere?
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What part of the brain is responsible for memory formation?
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What cells in the pancreas produce insulin?
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What waves are used for transmitting TV signals?
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Which organ filters aging blood cells and functions in immunity?
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What energy transformation occurs in photosynthesis?
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Which branch of astronomy specifically studies galaxies?
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What chemical compound is commonly referred to as bleach?
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What term defines an organism's observable physical characteristics?
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What compound gives garlic its distinctive odor?
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What metal was historically known as quicksilver?
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What geological principle suggests older rock layers lie beneath newer ones?
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What protein in blood helps in clot formation?
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What phenomenon describes plants bending toward gravity?
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What part of a neuron transmits signals away from the cell body?
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What type of cells in human bones build new bone tissue?
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Which compound is the primary component of natural pearls and seashells?
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What is the chemical effect achieved by soap when cleaning?
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Which gas is most responsible for Earth's greenhouse effect?
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Which animal has the highest blood pressure among mammals?
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By what process do plants convert nitrogen gas into usable ammonia?
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What is the heaviest naturally occurring element found on Earth?
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Which planet's atmosphere is mostly composed of carbon dioxide and sulfuric acid clouds?
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What is the common unit to measure distances in astronomy?
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Which substance is known as wood alcohol?
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What is the chemical symbol for lead?
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What scale measures mineral hardness?
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Which organ is responsible for the production of red blood cells?
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Which human organ has the highest oxygen consumption by percent of body's total?
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Which chemical element has atomic number 8?
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What is the scientific study of behavior and mental processes called?
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Which compound gives turmeric its distinctive yellow color?
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What blood condition is characterized by low hemoglobin levels?
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Which scientist proposed the three laws of planetary motion?
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What insect can taste with their feet?
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What is the chemical name for common table sugar?
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What is the SI unit for luminous intensity?
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Which part of human brain regulates body temperature?
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What gas forms ozone?
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What is Earth's innermost layer called?
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What chemical element is symbolized by Cr?
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What phase directly changes from gas into solid without becoming liquid?
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What is the chemical formula for sulfuric acid?
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What bodily fluid carries oxygen and nutrients to the fetus in mammals?
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Which animal has the longest tongue relative to its body size?
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What language are most scientific plant and animal names derived from?
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Which human gland produces growth hormone?
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What is the primary region in the cell that contains DNA tightly packed into chromosomes?
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What chemical compound makes up chalk?
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Which planet in our solar system spins backward relative to most planets?
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What type of signal do nerve cells primarily use to communicate?
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How many wings does a bee have?
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What mineral contributes the salty taste in seawater?
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What is the largest living species of lizard on Earth?
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Which organelle in cells is mainly responsible for digestion of macromolecules?
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What metal is used as a radiation shield in X-ray rooms?
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What naturally occurring geologic formation ejects heated water and steam periodically?
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Which cereal grain is most consumed worldwide?
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What type of acid accumulates in muscles when they lack sufficient oxygen?
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What type of animal produces silk fiber?
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What specialized plant tissue conducts nutrients downward?
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What is the chemical symbol for mercury?
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Which planet is the second smallest in the solar system?
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What naturally occurring substance is glass traditionally made from?
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What type of volcano is built from alternating layers of lava and ash?
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Which scientist introduced the binomial nomenclature system?
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In the human digestive system, where does most nutrient absorption occur?
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What molecule stores genetic information in viruses?
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What does the Richter scale quantify specifically?
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Which vitamin deficiency is associated with night blindness?
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What cellular structure assembles amino acids into proteins?
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Which hormone promotes seed germination in plants?
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What organ do fish use to extract oxygen from water?
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Which chemical element is essential for photosynthesis at the molecular level?
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What type of eclipse occurs when the moon fully blocks sunlight on Earth?
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What human enzyme breaks down proteins in the stomach?
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What celestial body has the most noticeable set of rings?
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Which animal group includes spiders and scorpions?
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What is airplane turbulence mainly caused by?
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What basic taste detects savory flavors like MSG?
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What do scientists call objects made entirely of carbon in tubular form?
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What essential nutrient do legumes naturally enrich in soil?
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What type of rock is marble derived from under intense heat and pressure?
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What is the chemical formula for common baking soda?
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What organ is primarily responsible for balance in humans?
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In what state is water densest?
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What type of particle constitutes light and behaves both as wave and particle?
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What blood protein maintains osmotic pressure in blood vessels?
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What does GMO stand for in biology?
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What type of wave does an ECG machine record?
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What major body organ detoxifies blood besides the liver?
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What mineral composes most of Earth's mantle?
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What is the most common sugar found in milk?
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What insect transmits Lyme disease?
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What hormone regulates calcium levels in human blood?
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Which mammal produces venomous saliva?
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