Erosion
Weathering
Agents of Erosion
How Erosion Shapes The Land
100

What are the four agents of erosion?

Water, wind, glaciers, and gravity.

200

True or False?

The  breakdown of rock caused by living organisms such as plants, animals, bacteria, and fungi, is biological weathering.


True?

200

True or False: The forming of glaciers is a sudden change.

 True.

300

What are some examples of sudden change?

Flash floods, landslides, rock slides, etc.

300

What are the large rocks that are left after glaciers melt called?

Moraine

400

What is Erosion?

the natural process of soil and rock being worn away and transported by agents like water, wind, and ice.

400

Is this example of weathering mechanical weathering or chemical weathering?

Tree roots cracking the sidewalk.

This example of weathering is mechanical weathering, because there is no change in its chemicals.

400

What is abrasion?

Abrasion is when the wind wears down rocks.

500

How does Erosion occur?

when natural forces like water, wind, ice, and gravity wear away and transport soil, rock, and other materials across the Earth's surface.