Soil Conservation 6th Grade Science.

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Presentation transcript:

Soil Conservation 6th Grade Science

Soil Erosion The wearing away of soil Loss of soil

Natural Causes of Soil Erosion: Wind Water (rain) Gravity (hills, mountains) Ice (glaciers, cold temperatures)

Other Causes of Soil Erosion: Farming Mining Construction

Severe weather speeds up soil erosion! Storms Tornados Floods

Soil Conservation: Ways to preserve (or save) the soil

1. Crop Rotation Planting different crops on the same field in different years

2. Conservation Tillage Reducing the number of times fields are tilled, or plowed, in a year

3. Terraces Flat, step-like areas built on a hillside to prevent rainwater from running downhill

4. Contour Plowing Plowing along curves or contours of a slope to prevent water from running straight downhill

5. Wind Breaks Rows of trees between fields to “break” or reduce the force of winds.

Soil Conservation Examples Find a partner. Read the scenario of erosion. With your partner, decide on a solution to the problem. Write your solution next to the scenario and then draw a picture of your solution.