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2-9 Erosion Prevention

Last updated about 5 years ago

5 questions

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Question 1

1.

How does beach grass prevent erosion?

Roots of beach grass hold the soil in place and grass traps blowing sand.

Beach grass tells the sand to stay in place. 

Beach grass is on vacation trying to enjoy the sun.

Question 2

2.

What are the sandbags doing in this picture?

Sandbags are preventing wind erosion.

Sandbags are going for a swim.

Sandbags are holding back water.

Question 3

3.

What are dikes?

Dikes are large trees that grow fruit.

Dikes are walls of stone, cement or soil that protect land that would naturally be under water.

Dikes are grasses on a beach that prevent erosion.

Question 4

4.

Why are windbreaks useful?

Windbreaks keep rich soil from blowing away.

Windbreaks are walls of stone that protect land that would naturally be under water.

Windbreaks hold bak water.

Question 5

5.

How are these two windreaks the same?

Both slow down the wind and catch soil particles

Both protect land that would naturally be under water.

Both hold back water.