Question | Answer |
1. What is the difference between mechanical and chemical weathering? 10-1 | Mechanical weathering doesn't have any reactions and chemical reacation |
2. Describe the weathering processes of each chemical weathering agent. | Water is a chemical agent because it can dissolve rocks and other stuff. |
3. Describe the weathering processes of each mechanical weathering agent. | Mechanical agent is wind because it can blow things around. |
What is the most important and most common 4.agent of chemical weathering? Why do you think? 10-1 | The most common chemical chemical weathering is water because it caan dissolve rocks. |
5. What is the difference between weathering, abrasion, erosion, and deposition? 10-1 | Abrasion is when you grind rocks, erosion is when you chip rocks off, depostion is when sediments land. |
6. What are the two most important factors in determining the rate of weathering? 10-2 | The two most important factors of rate of weathering is wind and water. |
7. How do hotter temperatures and wet climates affect the rate of weathering? | Hotter tempature is are more humas than other places. |
8. What are the horizons of a soil profile? What letter represents each horizon? What is found in each horizon? 10-3 | Each horizon layer has something special |
9. What layer of soil would you find the most humus?
10-3 | Soil horizon A |
10. Which horizon does soil formation begin | Bedrock |
11. List some examples of decomposers and explain why they are important for soil? 10-3 | Worms are decoposters because they dig through the earth. |
12. Which soil horizon layer forms last? | topsoil |
13. What is humus? | Decomposed Plants and animals |
14. What is soil? | Soil is something you use to grow crops. |
15. Which horizon is called the parent material? | Bedrock/horizon R |
16. What does it mean if soil is fertile? | It's good enough to plant crops |
17. Compare the particle sizes of sand, clay, and silt | Sand has course grain, clay is fine grain,and silt is no grain |
18. Why is it good to have permeable soil or rocks? | So it will be fertailzed |
19. Define soil conservation | When you save soil and don't use much of it |
20. What are the 5 soil conservation techniques? Describe how each is used to conserve soil. Basic info.
10-4 | The five are Terrace farming none plowing. |