Soils in the Environment

3. The upper layer of the earth's surface
5. The smallest soil particle. It feels hard, but gets sticky when wet. It is very difficult for water to pass through.
8. The largest soil particle. It feels rough and gritty. It is good for water drainage.
9. Soil _____ is the washing or blowing away of the top layer of soil.
10. Made of organic matter and minerals. Plants and organisms like to live here.
12. Made of organic material and is the very top layer of soil.
13. A _____ is a hole or tunnel dug by a small animal to make a home.
14. A medium-sized soil particle. It feels smooth and powdery. It is difficult for water to pass through.

1. ______ is made of a solid mass of rock.
2. Soil is made of many layers. These layers are called ________.
3. Made of clay, iron and organic material. Below topsoil.
4. ______ material is made mostly of large rocks.
6. _______ is a fertilizer that is made out of natural materials, like dead plants and fruit and vegetable scraps.
7. An _______ is a burrowing worm that lives in the soil. It breaks down organic material into soil that plans can use.
11. A _______ is a substance that is used to destroy pests, such as insects or weeds.