Earth and space

2. the layer of rock beneath Earth's crust
3. when the hours of daylight and darkness are the same
4. when weathering changes things over time
11. the center of the Earth
13. the distance light travels in one Earth year.
14. the process of breaking rock into silt, clay, sand, and other tiny pieces.
16. Each point at Earth's orbits at which daylight hours are at their greatest or fewest hours
17. everything that exists
19. the outer layer of the earth
20. Large, round bodies that revolve around a star
22. the path Earth takes as it revolves
23. an imaginary line that passes through Earth's center and its north and south poles
24. The process of liquid water changing to water vapor

1. where the air is cooler, water vapor turns back into drops of water
5. the 3rd layer of the Earth.
6. the cycle in which Earth's water moves through the environment
7. is a star and has a temperature of 5,778 degrees
8. when layer of sediment are squeezed together they form this
9. the planet we live on
10. rocks that form when melted rock hardens
12. a rock changed by heat or pressure but not completely melted
15. is the average of all weather conditions through all seasons over a period of time.
18. rain or snow
21. occurs when one object passes through the shadow of another