Across
- 2. a mix of humus, sand, silt, clay, and gravel
- 3. When dead plants or animals break down into small pieces
- 6. bits of dead plant and animal parts in soil
- 7. a solid earth material made of two or more minerals
- 11. the settling of sediments
- 12. Weathering The process by which the Minerals in a rock can change due to chemicals in water and air.
Down
- 1. Type of rock particle that is invisible to the bare eye
- 4. The carrying away of weathered earth materials by water, wind, or ice.
- 5. Something that living things need to grow and stay healthy
- 8. Weathering The process by which rocks are broken down by breaking and banging
- 9. The process by which larger rocks crack and break apart over time to form smaller rocks
- 10. an average sized rock
