G100: Earth Revealed

Start by entering your name and the episode. Then, based upon the video, respond to the following topics. When you are happy with your answers, select "Submit Assignment" to send the file to me.

 

Please include the Course, Episode number, and your name in the Subject of your email (G100: Ep. X - Last Name).

 

 

Episode 15: Weathering and Soils

 

The questions for those who want to copy into Word:

1. What is mechanical weathering? Be sure to discuss fracturing vs. abrasion, exfoliation, and ice wedging.

2. What is chemical weathering? What surface conditions and factors contribute to it?

3. Describe in detail how soil horizons are formed.

4. What was the Dust Bowl in the 1930s, and what caused it to occur?

5. Why is soil such an important natural resource. What can YOU do to help protect it?

 

 

For those using the "fill-in-the-form" method:

 

 

Your Name

 

Episode

 

What is mechanical weathering? Be sure to discuss fracturing vs. abrasion, exfoliation, and ice wedging.

 

What is chemical weathering? What surface conditions and factors contribute to it?

 

Describe in detail how soil horizons are formed.

 

What was the Dust Bowl in the 1930s, and what caused it to occur?

 

Why is soil such an important natural resource. What can YOU do to help protect it?

 

 

 

You are GeoManiac number since April 1, 1997