Descriptive Astronomy 101
Earth - Plate Tectonics Study Guide

After the "Earth - Plate Tectonics" lecture and readings you should be able to answer and discuss the following questions.

Who proposed the term "plate tectonics"? In what year?

What is Plate Tectonics?

What are the two types of crust?

Which of these two types is more dense?

What are the 3 major types of plate boundaries and how do the plates move relative to each other in each case?

What are the 2 types of divergent boundaries?

What are the 3 types of convergent boundaries?

What are the types of crust involved in these convergent boundaries?

Who first described transform boundaries?

In what kinds of settings do we find transform boundaries?

What are the average rates at which plates are moving?