1. 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)

2. Picture Sentence Definition

3. 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

4. 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?

5. 1. What is soil conservation?

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

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

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

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

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

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

12. Homework: Copy and answer 1.Name some methods use to prevent soil erosion. 2. Why do farmers use the method cover crop? 3. How are crops planted in a field when using method contour plowing? 4. Why are trees planted around fields when using the method windbreak?