G100: Earth Revealed

Start by entering you 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.

 

 

Episode 2: The Restless Planet

 

Your Name

 

Episode

 

Why are there so few meteorite impact scars visible on the earth?

 

Describe the process of differentiation. How does it help shape the earth's interior?

 

Where did earth's water come from?

 

How did early lifeforms affect earth's atmosphere?

 

Describe the theory of Plate Tectonics.