5 Written Questions
5 Matching Questions
- a the point on the Earth's surface directly above the focus of an earthquake
- b stress force that pulls on the crust stretching rock so that it becomes thinner in the middle.
- c water displaced by an earthquake grows into a mountain of water as it approaches shallow
- d instrument that records and measures seismic waves
- e a fold in rock that bends downward to form a valley
5 Multiple Choice Questions
- building designed to reduce the amount of energy that reaches the building during an earthquake.
- A type of seismic wave that compresses and expands the ground.
- the force that opposes the motion of one surface as it moves across another surface
- a rating system that estimates the total energy released by an earthquake
- a large area of flat land elevated high above sea level
5 True/False Questions
shearing → stress that pushes a mass of rock in two opposite directions
s wave → A type of seismic wave that moves the ground up and down or side to side.
normal fault → same as a reverse fault except the blocks move in the opposite direction
mercalli scale → rating of an earth quake's magnitude based on the size of the seismic waves.
aftershock → an earthquake that occurs after a larger earthquake in the same area.