Changing the Shape of Land

Front

What is erosion?

Back

Erosion is the process by which natural forces like water, wind, and ice wear away rocks and soil.

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What are the main types of erosion?

Back

The main types of erosion are water erosion, wind erosion, ice erosion, and gravity erosion.

Front

What causes wind erosion?

Back

Wind erosion is caused by strong winds that blow across loose soil and sand, carrying them away.

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How can trees help prevent erosion?

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Trees help prevent erosion by holding the soil in place with their roots and reducing the speed of wind.

Front

What is water erosion?

Back

Water erosion occurs when rainwater or flowing water removes soil and rock from one location and deposits it in another.

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What is an example of water erosion?

Back

An example of water erosion is a river cutting through land to form a canyon.

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What is gravity erosion?

Back

Gravity erosion happens when rocks and soil move down a slope due to the force of gravity.

Front

What is the Grand Canyon an example of?

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The Grand Canyon is an example of water erosion, formed by the Colorado River over millions of years.

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What role does ice play in erosion?

Back

Ice can cause erosion through processes like glacial movement, where glaciers scrape and carve the land.

Front

What is the effect of a flood on erosion?

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A flood can cause significant water erosion by rapidly moving large amounts of soil and debris.