150 Science Trivia Questions That Will Challenge Even the Brightest Minds!

Science is everywhere, from the tiniest atoms to the vastness of space. It has shaped our world with discoveries in biology, chemistry, physics, astronomy, and technology. Whether you’re a science whiz or just curious, this ultimate science trivia challenge will put your knowledge to the test!

This quiz covers earth sciences, space, inventions, biology, physics, chemistry, and famous scientists. Answers are provided below! 🔭⚛️🌍

🌍 Earth & Environmental Science

  1. What is the most abundant gas in Earth’s atmosphere?
  2. What do we call the outermost layer of the Earth?
  3. What is the process by which water changes from a liquid to a gas?
  4. What type of rock is formed from cooled lava?
  5. What is the longest river in the world?
  6. What is the term for animals that can live both in water and on land?
  7. What do you call the study of fossils?
  8. What natural disaster is measured using the Richter scale?
  9. What is the hottest planet in our solar system?
  10. What is the largest ocean on Earth?

🚀 Space & Astronomy

  1. What is the name of the galaxy that contains our solar system?
  2. What is the closest planet to the Sun?
  3. What force keeps planets in orbit around the Sun?
  4. Who was the first person to walk on the Moon?
  5. What planet is known as the “Red Planet”?
  6. What are the small rocky bodies that orbit the Sun called?
  7. What is the largest planet in our solar system?
  8. What is a light-year a measure of?
  9. What is the name of the first artificial satellite launched into space?
  10. What planet has the most moons?

🔬 Biology & The Human Body

  1. What is the powerhouse of the cell?
  2. What organ pumps blood throughout the human body?
  3. What is the largest organ in the human body?
  4. What is the chemical in plants that allows them to photosynthesize?
  5. How many bones are in the adult human body?
  6. What is the name of the process by which plants make their own food?
  7. What gas do humans exhale when they breathe?
  8. What part of the brain controls balance and coordination?
  9. What type of blood cells help fight infections?
  10. What is the name of the longest bone in the human body?

⚡ Physics & Chemistry

  1. What is the speed of light in a vacuum?
  2. What scientist is famous for his three laws of motion?
  3. What is the chemical symbol for gold?
  4. What is the pH value of pure water?
  5. What law states that energy cannot be created or destroyed?
  6. What is the chemical formula for table salt?
  7. What element is the most abundant in the universe?
  8. What is the unit of electrical resistance?
  9. What subatomic particle has a negative charge?
  10. What type of energy is stored in a stretched rubber band?

🦠 Microbiology & Genetics

  1. What is the basic unit of life?
  2. What is the genetic material that carries information in all living things?
  3. What is the process of cell division called?
  4. What type of microorganism causes the common cold?
  5. What part of the cell contains genetic information?
  6. What is the shape of DNA called?
  7. What term describes an organism that has two identical alleles for a trait?
  8. What is the smallest unit of matter?
  9. What are the thread-like structures that carry genetic information called?
  10. Who is known as the father of genetics?

🌡️ Scientific Measurements & Tools

  1. What instrument measures temperature?
  2. What unit is used to measure force?
  3. What tool is used to measure atmospheric pressure?
  4. What is the SI unit of mass?
  5. What is the boiling point of water in Celsius?
  6. What tool is used to view very small objects that cannot be seen with the naked eye?
  7. What is the main function of a telescope?
  8. What is the unit of measure for sound intensity?
  9. What is the metric prefix for one thousand?
  10. What tool is used to measure an earthquake’s magnitude?

🔭 Famous Scientists & Discoveries

  1. Who discovered penicillin?
  2. Who developed the theory of relativity?
  3. Who discovered gravity?
  4. Who developed the periodic table?
  5. What scientist developed the three laws of planetary motion?
  6. Who was the first woman to win a Nobel Prize?
  7. What scientist is known for his work on radioactivity?
  8. Who invented the first practical telephone?
  9. Who proposed the theory of natural selection?
  10. Who created the first successful polio vaccine?

🌋 Earthquakes, Volcanoes, & Natural Disasters

  1. What is the center of an earthquake called?
  2. What is molten rock beneath the Earth’s surface called?
  3. What is the scale used to measure tornado intensity?
  4. What is a tsunami?
  5. What is the largest volcano on Earth?
  6. What type of volcano is Mount St. Helens?
  7. What is the most common cause of tsunamis?
  8. What type of energy is produced by moving water?
  9. What is the process of rocks breaking down into smaller pieces?
  10. What is a hurricane called in the Pacific Ocean?

🌱 Botany & Plant Science

  1. What part of the plant conducts photosynthesis?
  2. What is the process by which plants release oxygen?
  3. What is the largest type of tree by volume?
  4. What is the term for plants that live for more than two years?
  5. What pigment gives plants their green color?
  6. What part of a flower produces pollen?
  7. What is the main function of roots in a plant?
  8. What is the name of the process where water moves through a plant and evaporates from its leaves?
  9. What type of tree is known for producing acorns?
  10. What is the world’s fastest-growing plant?

🦴 Anatomy & Human Biology

  1. What is the human body’s largest internal organ?
  2. How many chambers does the human heart have?
  3. What is the smallest bone in the human body?
  4. What is the only organ in the human body that can regenerate?
  5. What is the medical term for red blood cells?
  6. What is the function of the alveoli in the lungs?
  7. What part of the brain controls breathing and heartbeat?
  8. What is the hardest substance in the human body?
  9. What is the primary function of the small intestine?
  10. How many teeth does a typical adult human have?

🔬 More Physics & Chemistry

  1. What is the third state of matter, after solid and liquid?
  2. What type of energy is associated with heat?
  3. What element is represented by the symbol Fe?
  4. What is the only metal that is liquid at room temperature?
  5. What type of electromagnetic waves do cell phones use?
  6. What color does copper turn when it oxidizes?
  7. What is the chemical formula for ozone?
  8. What is the standard unit of frequency?
  9. What is the term for a material that does not allow electricity to flow?
  10. What is the chemical formula for glucose?

🧪 More Microbiology & Genetics

  1. What is the process of copying DNA called?
  2. What organelle is responsible for producing proteins?
  3. What is the name of the process by which bacteria reproduce?
  4. What type of blood cells carry oxygen?
  5. What does RNA stand for?
  6. What do we call an organism with only one cell?
  7. What is the term for a change in an organism’s DNA?
  8. What type of organism is yeast?
  9. What do we call a living thing that feeds on dead organisms?
  10. What is the name of the human body’s genetic blueprint?

🌋 Earth Science & Climate

  1. What is the term for the study of Earth’s atmosphere?
  2. What type of rock is formed by heat and pressure?
  3. What is the name of the slow movement of continents over time?
  4. What is the term for the amount of water vapor in the air?
  5. What is the coldest place on Earth?
  6. What is the primary gas responsible for global warming?
  7. What is the deepest point in the ocean?
  8. What layer of the Earth is made of liquid metal?
  9. What phenomenon causes the Northern and Southern Lights?
  10. What is the name of the boundary between two tectonic plates?

🚀 More Space & Astronomy

  1. What is the smallest planet in our solar system?
  2. What is the brightest star in the night sky?
  3. What do we call the explosion of a dying star?
  4. What planet has a storm known as the Great Red Spot?
  5. What is the name of the black hole at the center of the Milky Way?
  6. What is the term for a group of stars that forms a pattern?
  7. What is the closest star to Earth besides the Sun?
  8. What spacecraft carried the first humans to the Moon?
  9. What is the term for a planet outside our solar system?
  10. What is the largest known structure in the universe?

🔍 More Famous Scientists & Discoveries

  1. Who discovered the circulation of blood in the human body?
  2. Who developed the laws of planetary motion?
  3. What famous scientist is known for his work on electromagnetism?
  4. Who was the first person to propose that the Sun is at the center of the solar system?
  5. What scientist is famous for developing the theory of continental drift?
  6. Who invented the first electric battery?
  7. What scientist is credited with discovering radio waves?
  8. Who is known as the father of modern chemistry?
  9. What scientist discovered X-rays?
  10. Who developed the first vaccine?

Answers

🌍 Earth & Environmental Science Answers:

  1. Nitrogen
  2. The crust
  3. Evaporation
  4. Igneous rock
  5. The Nile River
  6. Amphibians
  7. Paleontology
  8. Earthquakes
  9. Venus
  10. The Pacific Ocean

🚀 Space & Astronomy Answers:

  1. The Milky Way
  2. Mercury
  3. Gravity
  4. Neil Armstrong
  5. Mars
  6. Asteroids
  7. Jupiter
  8. Distance light travels in one year
  9. Sputnik 1
  10. Saturn

🔬 Biology & The Human Body Answers:

  1. Mitochondria
  2. The heart
  3. The skin
  4. Chlorophyll
  5. 206
  6. Photosynthesis
  7. Carbon dioxide
  8. The cerebellum
  9. White blood cells
  10. The femur

⚡ Physics & Chemistry Answers:

  1. 299,792,458 meters per second
  2. Isaac Newton
  3. Au
  4. 7
  5. The Law of Conservation of Energy
  6. NaCl
  7. Hydrogen
  8. Ohm
  9. Electron
  10. Elastic potential energy

🦠 Microbiology & Genetics Answers:

  1. The cell
  2. DNA
  3. Mitosis
  4. Viruses
  5. The nucleus
  6. Double helix
  7. Homozygous
  8. Atom
  9. Chromosomes
  10. Gregor Mendel

🌡️ Scientific Measurements & Tools Answers:

  1. Thermometer
  2. Newton
  3. Barometer
  4. Kilogram (kg)
  5. 100°C
  6. Microscope
  7. Magnify distant objects
  8. Decibel (dB)
  9. Kilo-
  10. Seismograph

🔭 Famous Scientists & Discoveries Answers:

  1. Alexander Fleming
  2. Albert Einstein
  3. Isaac Newton
  4. Dmitri Mendeleev
  5. Johannes Kepler
  6. Marie Curie
  7. Pierre and Marie Curie
  8. Alexander Graham Bell
  9. Charles Darwin
  10. Jonas Salk

🌋 Earthquakes, Volcanoes, & Natural Disasters Answers:

  1. The epicenter
  2. Magma
  3. The Fujita Scale
  4. A large ocean wave caused by an underwater earthquake
  5. Mauna Loa
  6. Stratovolcano
  7. Underwater earthquakes
  8. Hydroelectric energy
  9. Weathering
  10. A typhoon

🌱 Botany & Plant Science Answers:

  1. The leaves
  2. Photosynthesis
  3. The General Sherman Tree (a giant sequoia)
  4. Perennials
  5. Chlorophyll
  6. The anther
  7. Absorb water and nutrients
  8. Transpiration
  9. Oak tree
  10. Bamboo

🦴 Anatomy & Human Biology Answers:

  1. Liver
  2. Four
  3. The stapes (in the ear)
  4. The liver
  5. Erythrocytes
  6. Gas exchange
  7. The brainstem
  8. Tooth enamel
  9. Absorbing nutrients
  10. 32

🔬 More Physics & Chemistry Answers:

  1. Gas
  2. Thermal energy
  3. Iron
  4. Mercury
  5. Radio waves
  6. Green
  7. O₃
  8. Hertz (Hz)
  9. Insulator
  10. C₆H₁₂O₆

🧪 More Microbiology & Genetics Answers:

  1. DNA replication
  2. Ribosome
  3. Binary fission
  4. Red blood cells
  5. Ribonucleic acid
  6. Unicellular organism
  7. Mutation
  8. Fungus
  9. Decomposer
  10. DNA

🌋 Earth Science & Climate Answers:

  1. Meteorology
  2. Metamorphic rock
  3. Plate tectonics
  4. Humidity
  5. Antarctica
  6. Carbon dioxide
  7. Mariana Trench
  8. Outer core
  9. Solar wind
  10. Fault line

🚀 More Space & Astronomy Answers:

  1. Mercury
  2. Sirius
  3. Supernova
  4. Jupiter
  5. Sagittarius A*
  6. Constellation
  7. Proxima Centauri
  8. Apollo 11
  9. Exoplanet
  10. The cosmic web

🔍 More Famous Scientists & Discoveries Answers:

  1. William Harvey
  2. Johannes Kepler
  3. James Clerk Maxwell
  4. Nicolaus Copernicus
  5. Alfred Wegener
  6. Alessandro Volta
  7. Heinrich Hertz
  8. Antoine Lavoisier
  9. Wilhelm Roentgen
  10. Edward Jenner

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