Show:
Soil
Weathering
Erosion
Plants
Miscellaneous
100
The bottom layer of soil.
What is bedrock?
100

This is the type of weathering that occurs when water gets behind rocks when it is cold and cracks the rock.

What is freezing or ice or Ice Wedging?

100

This can help stop erosion.

What is a fence, retaining wall or plants?

100

Plants can help to stop this. They were planted to assist in ending of the dust bowl. 

What is erosion?

100
This type of soil feels gritty.
What is sand?
200

This is what makes the topsoil dark.

What are decomposing things? or Humus

200
Soil is formed after this takes place for a long period of time.
What is weathering?
200
Name one way erosion occurs.
What is...answers will vary.
200

If a plant is dying in soil what might it be lacking?

What are nutrients? or Humus

200

Was the dust bowl caused by natural circumstances, humans, or both?

What is both?

300
The middle portion of soil.
What is subsoil?
300
The Grand Canyon and other canyons were formed from this type of weathering over a long period of time.
What is water movement weathering?
300
Name an example of erosion.
What is...answers will vary.
300
Plants and trees are good for our environment, name one reason why.
They control erosion, they create oxygen and make our world nice.
300

What area of the country did the dust bowl take place?

What is the Great Plains?

400
The uppermost portion of soil that contains decomposing organisms.
What is topsoil?
400

Name one way that water can cause weathering.

What is... running water (rivers), glaciers, ect. 

400
Does erosion occur quickly or slowly?
What is slowly?
400
Can plants grow without soil?
Yes
400

Name the 3 type of mass movement (we discussed in class)

What is landslide, rockslide, mudslide?

500
The layer of soil containing mostly clay and roots.
What is subsoil?
500

Name one way that chemical weathering occurs.

What is...acid rain, caves, ect. 

500
Define erosion.
What is the movement of weathered materials?
500

What caused factors caused the dust bowl?

What is overplowing, drought, and extreme winds?