Descriptive Astronomy 101
Earth - Erosion Study Guide

After the "Earth - Erosion" lectures and readings you should be able to answer and discuss the following questions.

What is the importance of internal planetary processes in the regards to the planetary surface?

What are the major internal processes?

List and describe the 3 main factors in planetary erosion. Why is each one important?

In terms of erosion on Earth, which two components of the atmosphere play critical roles?

How much of the Earth's surface is covered by water?

How is it possible that water is present on the surface of the Earth?

What is the origin of the Earth's water?

What are some of the reasons that water is important on the Earth's surface?

Why is oxygen important in the Earth's atmosphere?

How is oxygen (O2) produced?

What is weathering?

What is erosion?

What is the relationship between the processes of erosion and weathering?

How do physical weathering processes operate?

How do chemical weathering processes operate?

How do mass wasting processes operate?

List and describe the various surface processes that operate on the surface of the Earth.

Which erosional process operates beneath the surface of the planet?