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Soil and weathering
| Question | Answer |
|---|---|
| What is Humus? | A dark-colored organic material on soil such as animal remains. |
| What is the A horizon? | A dark brown, crumbly soil that's a mixture of humus, clay minerals and rocks. |
| What is the B horizon? | Reddish-brown soil that is mostly made up of clay and other particles and doesn't have lots of humus. |
| What is the S horizon? | Partially weathered rock |
| What is bedrock? | A solid layer of rock beneath the soil horizons. |
| What does permeable mean? | It's a characteristic of a material full of tiny,connected air spaces that water can seep through. |
| What are decomposers? | Soil organisms that break down the remains of other organisms and digests them. |
| How do decomposers help the soil? | They take the remains and break them down so they can become humus. |
| What is contour plowing? | Plowing in the fields along the curves of slopes to prevent soil loss. |
| What is conservation plawing? | A conservation method in which soil from past plantings are still there to keep the soil in place. |
| What is the soil made of? | Rock particles, minerals, humus, air, water, and rock. |
| Why did the dyustbowl happen? | Because settlers that were moving west didn't know that the more you move west, the less rainfall, so a drought formed and the soil dryed up and blew away. |
| What is loam? | Soil made of about equal parts of clay, sand, and silt |
| What is litter? | A loose layer of leaves and other plant material on top of soil. |
| What is soil? | The loose, weathered material on Earth's surface in which plants can grow |
Created by:
jhart33
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