Finding a planet

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Across
  1. 2. The smallest planet in our solar system
  2. 4. Would you weigh more or less on Jupiter than on earth?
  3. 9. The name of the energy that we get from the heat inside the earth.
  4. 10. The planet 6th in order from the sun
  5. 11. One of the basic requirements for human life
  6. 13. One of the basic requirements for humans to live
  7. 15. The moon is an example of a natural version of this?
  8. 16. The 2nd planet in order from he sun
  9. 17. The force of gravity is ____________ on jupiter than on earth?
  10. 19. Would you weigh more or less on the moon than you do on earth?
Down
  1. 1. The largest planet in our solar system
  2. 3. The name of the energy we get from the sun
  3. 5. What is force measured in?
  4. 6. Hydro, wind and tidal are examples of _____________ energy
  5. 7. What is the name of the fore that pulls us towards the earth
  6. 8. The planet 4th in order from the sun
  7. 12. The planet furthest away from the sun
  8. 14. What is it called when the earth rotates around the sun once?
  9. 18. What is Uranus made of?