Across
- 2. a mixture of sand. silt and clay
- 3. weathered material moves from one place to another
- 6. the middle layer of soil, which is a combination of soil and rocks
- 9. a mass of stone
- 10. change due to exposure to weather
- 11. to carefully preserve and protect something
- 12. fine sand and earthy material carried by water
- 13. a material found in earth that is sticky when wet and hard when dry
Down
- 1. decayed plants and animals on the top layer of soil
- 4. materials that come from nature
- 5. top layer of soil that provides support and nutrients to plants
- 7. materials that plants and animals need to grow
- 8. the bottom layer of soil, which is made up of rock