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 23: Glaciers

 

The questions for those who want to copy into Word:

1. How is snow converted to glacial ice? Be sure to include all the steps, and how density is involved.

2. What are the two main parts of a glacier, and how does the snowline relate to them?

3. What is glacial till, and how does it relate to the different types of moraines?

4. What is a medial moraine, and how does it demonstrate that a glacier has non-turbulent flow?

5. How do atmospheric carbon dioxide levels relate to ice ages? How much has atmospheric CO2 increased since the 1850s, and what may this mean for the global climate in the future?

 

 

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

 

 

Your Name

 

Episode

 

How is snow converted to glacial ice? Be sure to include all the steps, and how density is involved.

 

What are the two main parts of a glacier, and how does the snowline relate to them?

 

What is glacial till, and how does it relate to the different types of moraines?

 

What is a medial moraine, and how does it demonstrate that a glacier has non-turbulent flow?

 

How do atmospheric carbon dioxide levels relate to ice ages? How much has atmospheric CO2 increased since the 1850s, and what may this mean for the global climate in the future?

 

 

 

You are GeoManiac number since April 1, 1997