Across
- 2. When the Moon is fully illuminated to our view
- 4. When the Moon is fully dark to our view
- 6. A fossil used to define and identify geologic periods
- 7. The planets in the Solar System ________ around the Sun
- 9. The force that attracts any two objects with mass
- 10. If a rock layer is at the top, then it is what(age)
- 12. When the Moon falls into the Earth's shadow, making it appear reddish
- 13. Earth spins on its _______
- 14. Gravity holds the Moon in _____ around the Earth
- 15. Matter that settles at the bottom of a liquid
- 16. Half of a planet(northern and southern)
Down
- 1. When the Moon is in between the Earth and the Sun, blocking its light
- 3. Larger, gaseous, and colder planets
- 5. Smaller, rocky, and warmer planets
- 8. All the planets in the Solar System do this on their axis
- 11. If a rock layer is at the bottom, then it is what(age)
