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Science Trivia Questions for kids with Printable Q and A Sheet

It’s always fun to make a challenging game of science trivia for kids! These questions revolve around interesting facts that most kids will learn mainly through late elementary and middle school years. These fun kids’ trivia questions are a great way to engage them in an educational activity. They include topics like the periodic table, great scientists in world history, animal trivia questions and more. Even if you don’t want to participate in a game like this, if you stick around you might learn a fun fact or two!

science trivia questions for kids

By the way, before you leave make sure to check out our other Quotes, Jokes, Facts and Trivia related posts!

Awesome fun trivia questions for kids

  1. What is the nearest planet to the sun?
  2. What is the largest planet and biggest planet in our solar system?
  3. What is the process by which plants make their own food?
  4. What is the chemical formula or symbol for water?
  5. What is the force that pulls objects towards the center of the Earth?
  6. What is the hardest natural substance found on Earth?
  7. What is the process of a liquid turning into a gas called?
  8. What is the study of living organisms called?
  9. What is the Earth’s largest ocean?
  10. What is the name of the closest galaxy to the Milky Way?
  11. What is the center of an atom called?
  12. What is the process of a caterpillar turning into a butterfly called?
  13. What is the name for the outer layer of the Earth?
  14. What is the unit of measurement for force?
  15. What gas do plants use during photosynthesis to produce food, and what gas do they release as a byproduct?
  16. What is the process of a solid turning into a liquid called?
  17. What is the name of the largest bone in the human body?
  18. What is the largest mammal?
  19. What is the chemical symbol for oxygen?
  20. What is the study of the stars and planets called?
  21. What is the name of the closest star to Earth?
  22. What is the process of a liquid turning into a solid called?
  23. What is the name of the force that keeps us on the ground?
  24. What is the process of a gas turning into a liquid called?
  25. Which is the only planet in our solar system known to support life?
  26. What is the chemical symbol for carbon?
  27. What is the study of rocks called?
  28. What is the most abundant gas in the Earth’s atmosphere?
  29. Who is famous for his theory of relativity, which revolutionized our understanding of space, time, and gravity?
  30. What is the tallest mountain in the world?
  31. What is the chemical symbol for gold?
  32. What is the study of the weather called?
  33. What is the largest organ in the body?
  34. What is the name of the force that causes objects to float?
  35. Who invented the telephone?
  36. What do you call the process in which two or more substances combine to form a new substance with different properties?
  37. What is the study of earthquakes called?
  38. What is the name of the process of plasma turning into a solid called?
  39. What is the boiling point of water?
  40. What is the term for the vast expanse beyond Earth’s atmosphere where stars, planets, and other celestial bodies are found?
  41. What is the chemical symbol for silver?
  42. What is the study of the Earth’s history called?
  43. What is the hottest planet in our solar system?
  44. What is the name for the smallest unit of matter?
  45. What is the longest river in the united states?
  46. What is the chemical symbol for sodium?
  47. What is the study of the human body called?
  48. What is the process of a liquid turning into a solid called?
  49. What is the name of the force that causes objects to push against each other?
  50. Who invented the light bulb?
  51. What happens when you mix hot water and cold water together?
  52. What branch of science is concerned with the study of the Earth’s structure, processes, and history?
  53. How many bones are there in the adult human body?

Answers to the trivia questions

  1. Mercury
  2. Jupiter
  3. Photosynthesis
  4. H2O
  5. Gravity
  6. Diamond
  7. Vaporization or Evaporation
  8. Biology
  9. Pacific Ocean
  10. Andromeda
  11. Nucleus
  12. Metamorphosis
  13. Crust
  14. Newton
  15. Carbon Dioxide
  16. Melting
  17. Femur
  18. Blue Whale
  19. O2
  20. Astronomy
  21. Sun
  22. Freezing
  23. Gravity
  24. Condensation
  25. Earth
  26. C
  27. Geology
  28. Nitrogen
  29. Albert Einstein
  30. Mount Everest
  31. Au
  32. Meteorology
  33. Skin
  34. Buoyancy
  35. Alexander Graham Bell
  36. Chemical reaction
  37. Seismology
  38. Solidification or Freezing
  39. 100 degrees Celsius or 212 degrees Fahrenheit at standard atmospheric pressure
  40. Outer space
  41. Ag
  42. Geology
  43. Venus
  44. Atom
  45. Missouri River
  46. Na
  47. Anatomy
  48. Freezing
  49. Friction
  50. Thomas Edison
  51. Lukewarm water
  52. Earth Science
  53. 206 bones

Below are the printable PDF files for the Science Trivia questions. Click on the picture below and Download them to your computer and print them to start the fun!