Across
- 2. It is important that we evaluate ways in which _______ activities have affected the Earth's pedosphere (the outermost part of the Earth) because our soils is so incredibly important.
- 5. _____ rain water (caused by pollution) can move through soil and break down minerals in rocks.
- 7. Soil helps to _____ water (separate water from impurities) and recycle nutrients.
- 9. ________ (the pull of Earth) can move large amounts of rock and soiil.
- 10. A mixture of weathered rock particles and other material.
- 13. _________ carve land and move sediments, because they're so big and made of ice.
- 15. __________ weathering changes the composition of rock.
- 17. The activities of living things (also called _____), affect soil.
- 19. A soil _________ refers to the soil horizons found in a particular location.
- 20. The part of the erosion process in which sediment is placed (or deposited) in a new location
- 21. Overgrazing by large animals destroys plants which cretes desert like conditions.
- 23. ____________ weathering produces physical changes in rock.
- 26. Fertilizers can cause ________ when run off carries the excess nutriens into rivers, lakes and oceans.
- 27. A _____ may form when the roof of a cavern near the surface collapses.
- 28. This refers to the soils pH (how acidic or basic it is) and determines how easily nutrients will be available to plant roots.
- 32. Water moving underground forms _______
- 33. An example of a type of an igneous rock that weathers more slowly than a softer rock.
- 34. The process in which weathered particles are picked up and moved from one place to antoehr.
Down
- 1. Gravity can pll large amounts of rock and soil downhill by several types of _____ wasting.
- 2. Soil provides a __________ for many organisms.
- 3. _______, construction and development, and mining impact soil resources.
- 4. _________ shapes lands, especially in dry areas where there are few plants to hold soil in place.
- 6. Soil develops in horizontal layers called ________.
- 8. The ______ of soil reflects its chemical composition and humus content.
- 11. Occurs when water and oxygen react with iron to form rust.
- 12. Breaks rocks into smaller pieces chemically and physically.
- 14. Scientists study numerous soil ___________ (or characteristics)
- 16. A process in which layers or sheets of rock gradually break off.
- 18. Waves and currents shape ______ of beaches.
- 22. ________ space describes the air pockets between particles of soil.
- 24. __________ release occurs when intrusive rocks are pushed to the surface
- 25. A property of soil that describes how fine or course it is. (How it feels)
- 29. A soil's ability to hold _____ (water) is a property that affects its ability to grow plants.
- 30. Crop _________ is one way to hold soil in place and keep it fertile by changing crops every few years.
- 31. ______ (moving) water shapes the landscape over most of the Earth.