Weathering and Erosion

What is the breakdown of the Earth's crust into sediment called?

• weathering
• raining
• erosion
• whooshing

What is it called when weathered rock is carried away?

• weathering
• raining
• erosion
• breaking

Which of these is an example of erosion?

• light shining onto a mountain
• wind blowing away sediment
• rain breaking down rock
• all of the above

What is the process called when a glacier deposits rocks in oceans and lakes?

• deposition
• despotism
• drainage
• pollution

How would a fast-flowing river be most likely to move sand-sized particles of sediment?

• It would lift them and carry them downstream.
• It would dissolve them completely in solution.
• It would roll or slide them along the streambed.
• It would deposit them on the streambed.

2. Which of the following is the definition of erosion?

• the dropping of rock
• the process of breaking down rock
• the process that involve the movement of soil and rock
• none of the above

3. Erosion can be caused by which of the following?

• wind
• water
• ice
• all of the above

5. What is sediment?

• decaying plant or animal material
• bits of rock, sand, and silt caused by weathering of rocks
• the process of rocks being broken down and carried away
• the top layer of the soil

When wind, water, or ice drop materials in a new location, this is known as:

• Weathering
• Erosion
• Deposition
• Transportation

How does vegetation in the soil affect the rate of erosion?

• It doesn't affect erosion.
• It decreases erosion.
• It increases erosion.