Vocab

1. — The process in which the illuminated portion of the Moon appears to grow larger.
6. — The breakdown of rock into smaller pieces.
7. — A nonliving part of an ecosystem.
8. — A living part of an ecosystem.
10. — An organism that is hunted and eaten by a predator.
13. — A low area of land between hills or mountains, often formed by erosion from water or ice.
14. — A dark area formed when an object blocks light.
15. — Small pieces of rock, soil, or other material.
17. — A force that occurs when two surfaces rub against each other.
18. — Moving air that can weather rock and transport sediment.
21. — A repeated sequence or predictable change.
22. — The appearance of the illuminated portion of the Moon as seen from Earth.
24. — An imaginary line that an object spins around.
25. — The part of the daily cycle when your location faces away from the Sun.
27. — An organism that gets energy by eating other organisms.
28. — An organism that hunts and eats another organism.
30. — The movement of sediment from one place to another by water, wind, or ice.
31. — A deep valley with steep sides, often formed by erosion from flowing water.
32. — The dropping or settling of sediment in a new location.

2. — A large mass of ice that can break rock apart and move sediment.
3. — A Moon phase in which more than half of the visible Moon appears illuminated.
4. — The process in which the illuminated portion of the Moon appears to grow smaller.
5. — A consumer that eats plants.
9. — A Moon phase in which less than half of the visible Moon appears illuminated.
11. — The spinning of an object on its axis.
12. — A natural feature of Earth's surface, such as a mountain, valley, or dune.
15. — A hill or mound of sand formed when wind deposits sand.
16. — A community of organisms and the nonliving parts of their environment interacting together.
19. — An organism that makes its own food, usually using energy from the Sun.
20. — A consumer that eats other animals.
23. — A consumer that eats both plants and animals.
26. — The movement of one object around another object.
29. — The part of the daily cycle when your location faces the Sun.
32. — A landform formed when sediment is deposited where a river flows into a larger body of water.