What are the three types of stresses? Explain how tension changes the shape of rocks. Explain how compression changes the shape of rocks. Explain how shearing changes the shape of rocks. There are 3 types of faults: Normal, revers, and strike slip Explain the difference between the hanging wall and the foot wall. How can you tell the two apart? Where do most faults occur? Draw and explain how a normal fault works. Draw and explain how reverse faults work. Draw and explain a strike slip fault What is the difference between an earthquakes focus and epicenter? How do P waves move? How do S waves move? How are earthquakes measured using the Mercalli Scale? How are earthquakes measured using the Richter Scale? Why is the Moment Magnitude Scale the most accurate when measuring earthquakes? Explain the general idea of how a seismograph works. How could we find the epicenter of an earthquake using three different cities? What are 2 ways earthquakes cause damage? What are the 2 other ways earthquakes cause damage? What are 3 ways to design a home to be safer in an earthquake?