Across
- 6. When the lighting of the moon increases.
- 9. To spin on an axis.
- 11. The force of gravity between two objects depends on mass and ____ .
- 12. Planets that are rocky and small.
- 14. When indirect light from the sun is hitting a part of earth.
- 15. Regular changes in temperature that repeat every year.
- 16. The layer of rock that is at the top of the other layers is the ____ layer of rock.
Down
- 1. Planets that are made of gas.
- 2. To move around another object.
- 3. When the moon is fully lit up.
- 4. The force of attraction between any two objects with mass.
- 5. When Earth passes between the sun and moon, casting a shadow on the moon.
- 7. The remains or impressions of ancient organisms preserved in rock.
- 8. The layer of rock that is at the bottom of the other layers is the ____ layer of rock.
- 10. When the moon passes between the earth and sun, blocking sunlight.
- 13. _______ or excavation reveals the fossil.
