Across
- 3. force that pulls objects towards each other.
- 5. the only planet known to support life.
- 6. the rise and fall of the water in the ocean caused by the gravity forces from the moon
- 8. is an imaginary line around which Earth spins.
- 10. means to move around another object.
Down
- 1. the different ways the moon looks in the sky are called ______ of the moon.
- 2. how far north or south of the equator a place is.
- 4. to spin around.
- 7. the star at the center of our solar system.
- 9. planet like body that orbits the Earth.