RAP:

1 What is the cutting down all trees in an area?

2. What is cutting a pit in the surface?3. _______Conservation-various methods

humans use to take care of the soil.(energy or soil)

Picture

Sentence

Definition

Erosion review page 6

Sentence: The Grand Canyon was formed

by millions of years of erosion

Definition: Erosion is the natural movement of

sediment from one place to another

Erosion review

Key Questions

1, What is soil conservation?

2, What methods prevent soil erosion?

3. What is a cover crop?

4. What is crop rotation?

5. What is contour plowing?

6. What is terracing?

7. What is windbreak?

1. Soil Conservation-various methods humans use to take care of the soil.

1. What is soil conservation?

2. Methods to prevent soil erosion-cover crop, crop rotation, contour plowing, terracing, and windbreak.

2. What methods prevent soil erosion?

3. What is a cover crop?3. Cover Crop-a crop that is planted in between harvests to reduce erosion and replace nutrients ex soybean and clover

4. Crop Rotation-change crops from year to year so that nutrients do not get depleted

4. What is crop rotation?

5. Contour plowing-rows in a field are plowed in curves instead of straight lines.

5. What is contour plowing?

6. Terracing-one step field is changed into a series of smaller fields.

6. What is terracing?

7. Windbreak-planting trees around a field to prevent wind erosion.

7. What is windbreak?

Homework: Copy and answer1. Name some methods use to prevent soil erosion.2. Why do farmers use the methodcover crop?3. How are crops planted in a fieldwhen using method contour plowing?4. Why are trees planted around fields when using the method windbreak?