Across
- 3. in the universe
- 4. all objects in the solar system orbit the ___
- 5. A cloud of gas and dust
- 7. caused by the moons gravitational pull.
- 10. the force of gravity acts between all
Down
- 1. the measure of the gravitational pull of an object
- 2. suggested that there is a force that pulls objects straight down towards the center of the earth
- 6. the force that pulls objects toward each other
- 8. measured by how much matter is in an object
- 9. the third planet in the solar system.