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6. How does sound travel?

  • Passing through things
  • Through the air
  • It's transmitted by particles vibrating
  • Through our ears

7. Which one of these is least reactive?

  • Potassium
  • Gold
  • Calcium
  • Copper

8. What does the cytoplasm do?

  • Carrys oxygen
  • Carrys genetic information
  • It is made up of water and dissolved substances
  • Controls the structure of the cell

9. How many atoms does a compound contain?

  • i dont know
  • 2 or more
  • 1
  • 0

10. What's an insulator

  • A type of metal
  • Something which doesn't let heat pass through it
  • A type of plastic
  • Opposite of a conductor

11. How many substances does a mixture contain?

  • 0
  • 2 or more
  • i dont know
  • 1

12. What's a conductor?

  • Something that let's heat pass through it
  • Someone who directs a musical performance
  • Something that let's sound travel through it
  • I dont know

13. What does a nucleus do?

  • Carrys genetic information and controls the structure.
  • Surrounds the cell
  • Controls the movement of substances in and out of the cell
  • Carrys oxygen

14. What is the chemical equation for Photo Synthesis?

  • water + sun ---> oxygen + glucose
  • carbon dioxide + oxygen ---> glucose + water
  • carbon dioxide + water ---> glucose + oxygen
  • oxygen + water ---> glucose + carbon dioxide

15. Which one is a property of a metal?

  • High boiling point
  • Poor conductor of electricity
  • Easy to break
  • Soft