Across
- 2. Because of the force of _ the cloud shrank.
- 3. The Earth is not a perfect?
- 5. The solar system formed from a cloud of material called?
- 7. The earth has a _ at the equator.
- 9. The strength of gravity depends on it's?
- 10. Earth's entire solid body is called the?
Down
- 1. Scientists see the shape of the earth in pictures taken by?
- 3. The least dense materials stayed at the _ of the planet.
- 4. The Earth has _ systems
- 6. Earth's outermost system is the?
- 8. All the living things on Earth forms the?
