Only Future Scientists Get 20/25: Science Quiz

Only Future Scientists Get 20/25: Science Quiz: questions and answers

Try to answer first, then tap a question to see the answer.

1. If you drop a hammer and a feather on the Moon, which lands first? The hammer · The feather · Both together

   Both together – With no air to slow it, both fall together. Apollo 15 astronauts proved it!

2. Which of these is attracted by a magnet? Wooden stick · Iron nail · Plastic spoon

   Iron nail

3. What is water called when it's a gas? Ice · Rain · Vapor

   Vapor

4. What force pulls things down to the ground? Friction · Gravity · Magnetism

   Gravity

5. What do we call hot liquid rock from a volcano? Sand · Clay · Lava

   Lava

6. Which of these is a metal? Glass · Copper · Wood

   Copper – Copper is one of the best metals for carrying electricity!

7. What do you see in the sky when it rains and the sun shines? A comet · An eclipse · A rainbow

   A rainbow

8. What does a thermometer measure? Speed of wind · Temperature · Distances

   Temperature

9. Which of these makes its own light? The Moon · A mirror · The Sun

   The Sun

10. What do solar panels collect? Moonlight and stars · Sunlight · Wind and rain

    Sunlight

11. Ice is water in its... Gas form · Liquid form · Solid form

    Solid form

12. Sound cannot travel through... Steel · Space · Water

    Space – That's why space is completely silent!

13. The Richter scale measures... Tornado season · Volcano eruptions · Earthquakes

    Earthquakes

14. The Earth's core is mostly... Ice · Iron · Lava

    Iron

15. Which gas makes balloons float? Oxygen · Nitrogen · Helium

    Helium

16. In a storm you see lightning before you hear thunder because... Clouds block it · Light is faster · Thunder is quiet

    Light is faster

17. Which scientist is famous for the theory of relativity? Isaac Newton · Charles Darwin · Einstein

    Einstein

18. Water is made of hydrogen and... Oxygen · Carbon · Helium

    Oxygen

19. Marble is a type of which kind of rock? Metamorphic · Igneous · Sedimentary

    Metamorphic – Heat and pressure turn limestone into marble!

20. Which color of light bends the most in a prism? Yellow · Violet · Red

    Violet

21. A moving car has which type of energy? Kinetic · Thermal · Nuclear

    Kinetic – Kinetic energy comes from the Greek word for motion!

22. Which layer protects Earth from harmful UV rays? Ozone layer · Cloud layer · Iron layer

    Ozone layer

23. About how fast does sound travel in air? 34 m/s · 343 m/s · 3,430 m/s

    343 m/s – That's about 1,235 kilometers per hour!

24. What is the unit of electric current? Ampere · Kilowatt · Kilovolt

    Ampere

25. How hot is the surface of the Sun? About 5,500°C · About 55,000°C · About 550°C

    About 5,500°C

26. The point underground where an earthquake starts is the... Fault · Focus · Epicenter

    Focus – The epicenter is the spot on the surface right above it!

27. Which is hotter: lightning or the surface of the Sun? Lightning · The Sun · Same

    Lightning