Across
- 2. The force that pulls objects toward each other
- 5. What keeps the atmosphere around the earth
- 7. The laws of Sir Isaac Newton
- 10. The nickname for what started the universe
Down
- 1. Earth is made up of ________ and celestial dauran
- 3. One of the most famous scientists to think about why objects fall
- 4. The cloud of dust and gas that made up our solar system
- 6. How much matter an object is made of
- 8. All the planets in the solar system revolve around this
- 9. The measure of the gravitational pull on an object