Across
- 2. The largest type of rock found in soil
- 4. Something living things need to grow and stay healthy
- 6. The type of weathering in which rocks change due to chemicals in water and air
- 7. A type of rain that can cause chemical weathering
- 8. Rocks that are smaller than pebbles but bigger than sand
- 10. Process by which rocks crack and break apart over time
Down
- 1. Mix of humus, rocks, sand, clay, etc
- 2. The type of weathering in which rocks change physically but not chemically
- 3. Bits of dead plant and animal parts in the soil
- 5. The smallest type of rock found in soil
- 9. When rocks rub or bump against each other