gravity

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Across
  1. 5. The rocky planets are at the ___ part of the solar system.
  2. 7. Who suggested that there is a force that pulls objects towards the center of the earth.
  3. 9. all of the objects in the solar system orbit this star.
  4. 10. balances out earth's inertia.
Down
  1. 1. The earth's orbit, for example.
  2. 2. balances out the sun's gravity.
  3. 3. Amount of gravitational pull on an object.
  4. 4. Pulls objects toward each other.
  5. 6. How much space an object takes up.
  6. 8. The gas planets are at the ___ part of the solar system.