Very, very, very, very, very, very Hard!!!!!!!!!!!!!!!!!!!!!!!

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Across
  1. 1. resistance Force which pushes on objects in air.
  2. 2. When something is squashed. (Think of press.)
  3. 4. Lets heat or electricity pass through.
  4. 6. Another term for a battery
  5. 7. An object that light can’t pass through, so you can’t see through it.
  6. 9. A drawing which shows all the components in a circuit and how they are connected 7/7
  7. 10. Effort needed.
  8. 11. When you test an idea to prove it.
  9. 12. Where the electricity comes from in a circuit
  10. 13. Write about WHY something happened.
  11. 14. Two magnets will pull each other together if you put the north pole of one magnet to the south pole of the other.
  12. 15. Watch and look carefully.
  13. 19. In some circuits, the switch can be used to stop electricity making a circuit and in others the switch is used to complete the circuit.
  14. 20. system A group of planets that orbit the Sun. The Sun is a star. The planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pluto is no longer considered a planet.
  15. 21. Force is measured in Newtons. 1N will lift 100g.
Down
  1. 1. Where the Earth turns itself around (spins). The Earth spins on its axis, which gives us night and day.
  2. 2. What you have found out.
  3. 3. circuit From one end of the battery through all the components without any gaps.
  4. 5. Write HOW something happened.
  5. 8. Move faster.
  6. 16. A 3D rounded object. The Sun, moon and Earth are nearly spheres.
  7. 17. When something stretches.
  8. 18. The path a planet makes around the Sun or that the moon makes around the Earth. (The moon takes 28 days to orbit Earth).