Directions: Answers the following questions. No sh*t please. 1- List and describe the 3 types of plate boundaries.

2- What is stress and what does it do to the Earth?

3- What is a fault?

4- What are the 3 types of faults? What happens at each type of fault line?

5- What is the difference between the focus and the epicenter?

6- What are the 3 kinds of seismic waves? Which one arrives first? Which one causes the most damage?

7-How many points do you need to determine the epicenter?

8-What are the 4 kinds of damage we listed that can be caused by earthquakes?

9-What is Magma? What is Lava?

10- What is the difference between volcanoes that are on divergent plate boundaries and convergent plate boundaries?

11-What causes changes in the viscosity of magma? (Note: viscosity refers to the state of being thick, stick, and semifluid or partly fluid)