Across
- 1. The force that pulls object to9wards eachother
- 3. A famous scientist who conducted the theory of gravity
- 6. A giant spherical shell surrounding our solar system
- 8. States that the force of gravity acts between all objects in the universe
- 9. Measured by how much matter the object is made of.
- 10. a measure of the gravitational pull on that object.
Down
- 2. The governing force in the solar system when it comes to movement
- 4. a hot ball of hydrogen and helium
- 5. earths natural satellite
- 7. The fifth largest planet in the solar system
