Weathering and Soil Formation Crossword

2. Living things that break down dead organisms are called __.
5. The scraping of rocks from particles.
6. The __ taught people to take better care of the soil.
7. __ means using soil in ways that save it.
9. Freezing and thawing cause __.
11. In __ farmers leave dead weeds and stalks in the fields.
13. Below the A horizon is the B horizon, or the __.
14. A soil with high __ has everything plants need to grow and stay healthy.
15. The material on Earth’s surface in which plants can grow is __.
16. __ is the breaking down of rocks and other materials at Earth’ surface.
20. A __ is anything in the environment that humans use.

1. The process of making humus is called __.
3. In __, farmers grow different types of plants in their fields each year.
4. __ is the movement of rock pieces and other materials on earth’s surface.
8. Soil types are based on the climate, types of plants, and __.
10. In __, farmers plow fields along curves of slopes instead of straight up and down slopes.
12. In __, the makeup of rock changes.
17. The top layer of soil is the A horizon, or __.
18. __ is a solid layer of rock underneath the soil
19. When dead plants and animals decay or break down, they form __.