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Science Trivia Questions and Answers

Here are 76 science trivia questions with answers, from easy to impossible, and every answer stays hidden until you tap it.

The list has 19 easy, 27 medium, 23 hard, and 7 impossible questions, so it works for students, classrooms and curious minds. They were written and fact-checked by the Quiz Zoomies team in the same easy-to-impossible format as the Quiz Zoomies videos. Tap Reveal all answers to check everything at once, print the page for a game night, or play the questions as a scored quiz.

76 science trivia questions

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  1. What force pulls objects toward the ground?

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    Gravity Easy question

  2. What are the three states of matter we see every day?

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    Solid, liquid and gas Easy question

  3. What is the boiling point of water at sea level in Celsius?

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    100°C Easy question

  4. Which part of a plant grows under the ground and takes in water?

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    The roots Easy question

  5. What does a thermometer measure?

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    Temperature Easy question

  6. What color do you get by mixing blue and yellow paint?

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    Green Easy question

  7. When ice melts, it changes from a solid into what?

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    A liquid Easy question

  8. Which direction does a compass needle point?

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    North Easy question

  9. Which tool makes tiny things look much bigger?

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    Microscope Easy question

  10. Which of these materials is a good conductor of electricity?

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    Copper Easy question

  11. What is the chemical symbol for oxygen?

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    O Easy question

  12. Which gas makes party balloons float?

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    Helium Easy question

  13. Which gas do we breathe out?

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    Carbon dioxide Easy question

  14. Lightning is a giant spark of what?

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    Electricity Easy question

  15. What do we call the path that electricity flows around?

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    A circuit Easy question

  16. What force slows things down when two surfaces rub together?

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    Friction Easy question

  17. Which of these is a renewable energy source?

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    Wind Easy question

  18. What do we call the layer of gases that surrounds Earth?

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    The atmosphere Easy question

  19. What does a prism split white light into?

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    The colors of the rainbow Easy question

  20. What gas do plants release during photosynthesis?

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    Oxygen Medium question

  21. Which simple machine is basically a ramp?

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    Inclined plane Medium question

  22. What do we call animals that are active at night?

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    Nocturnal Medium question

  23. When two magnets pull together, which ends are facing each other?

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    Opposite poles Medium question

  24. What is a scientist who studies rocks called?

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    A geologist Medium question

  25. What is the freezing point of water in Fahrenheit?

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    32°F Medium question

  26. What kind of energy does a moving object have?

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    Kinetic energy Medium question

  27. Who wrote the famous equation E = mc²?

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    Albert Einstein Medium question

  28. Which scientist described the three laws of motion?

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    Isaac Newton Medium question

  29. Who proposed the theory of evolution by natural selection in 1859?

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    Charles Darwin Medium question

  30. Which particle in an atom has a negative charge?

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    Electron Medium question

  31. What is the lightest chemical element?

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    Hydrogen Medium question

  32. What is it called when a liquid turns into a gas?

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    Evaporation Medium question

  33. What do we call the water drops that form on the outside of a cold glass?

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    Condensation Medium question

  34. What is hot liquid rock under Earth's surface called?

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    Magma Medium question

  35. What is Earth's outermost solid layer called?

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    The crust Medium question

  36. What do we call a scientist who studies the weather?

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    A meteorologist Medium question

  37. What is the scientific study of plants called?

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    Botany Medium question

  38. What is the smallest unit of a chemical element?

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    An atom Medium question

  39. What is the basic building block of all living things?

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    The cell Medium question

  40. Which metal has the chemical symbol Ag?

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    Silver Medium question

  41. What does a seismograph detect?

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    Earthquakes Medium question

  42. What is the process plants use to make food from sunlight?

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    Photosynthesis Medium question

  43. Which element is a diamond made of?

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    Carbon Medium question

  44. What do we call animals that have a backbone?

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    Vertebrates Medium question

  45. Which American is famous for flying a kite in a storm to study lightning?

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    Benjamin Franklin Medium question

  46. Which metal is the main ingredient of steel?

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    Iron Medium question

  47. Sound travels fastest through which of these?

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    Steel Hard question

  48. What is the chemical symbol for iron?

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    Fe Hard question

  49. About how fast does light travel?

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    About 300,000 km per second Hard question

  50. What unit is used to measure electrical resistance?

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    Ohm Hard question

Frequently asked questions

How many science trivia questions are on this page?

There are 76 science trivia questions in this list (19 easy, 27 medium, 23 hard, and 7 impossible), spread over 2 pages. Every question has its answer right below it, hidden until you tap Show answer.

What are 10 good science trivia questions?

1) What force pulls objects toward the ground? Gravity. 2) Which direction does a compass needle point? North. 3) What force slows things down when two surfaces rub together? Friction. 4) When two magnets pull together, which ends are facing each other? Opposite poles. 5) What is the lightest chemical element? Hydrogen. 6) What is the basic building block of all living things? The cell. 7) Which metal is the main ingredient of steel? Iron. 8) Which type of rock forms when lava or magma cools? Igneous. 9) Baking soda and vinegar make bubbles of which gas? Carbon dioxide. 10) Bronze is a mix of copper and which other metal? Tin.

What is the hardest science trivia question here?

One of the hardest is: Which scale ranks minerals by how hard they are? The answer is The Mohs scale. 7 questions in this list are rated impossible, the top level in the Quiz Zoomies videos.

Can I play these questions as a quiz?

Yes. The Play as a quiz button opens a scored quiz with four answer choices, rounds of 10, 25 or 50 questions, a streak counter and a shareable score.

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