Across
- 2. The layer directly beneath the topsoil that is made of mostly clay and has few nutrients for plants.
- 4. The solid rock beneath all soil.
- 5. Materials that plants need from the soil in order to grow.
- 6. small material that is broken down by processes of weathering and erosion
- 8. A combination of sand and soil that has been washed by water and collects at the bottom of rivers and streams.
- 9. Very rich in nutrients because it is composed of plants and animals that die and break down.
- 10. a landform shaped like a triangle, created by deposition of sediment that is carried by a river and enters slower-moving or stagnant water.
- 12. Very rich in nutrients and best for plant growth. The top layer of soil.
Down
- 1. Occurs when topsoil is carried away by wind, water, or living things.
- 3. The process in which rocks are broken down by water, air, or living things.
- 7. the dropping off of sediment as the motion of the wind or water comes to a stop.
- 11. Made of tiny particles of rock and decayed plant material. It holds water well and is often sticky.
- 13. Made up of tiny fragments of rock, does not hold water well and has very few nutrients.