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EarthquakesMills
| Question | Answer |
|---|---|
| Shaking and trembling that results from the movement of rock beneath Earth's surface is known as... | An earthquake |
| What are the three main types of stress in rock? | shearing, tension, compression |
| Stress that pulls on the crust, stretching rock is known as... | tension |
| A force that acts on rock to change its shape or volume is called __________. | stress |
| Stress that pushes a mass of rock in opposite directions is called _______. | shearing |
| Define compression. | squeezes rock until it folds or breaks |
| Any change in the volume or shape of Earth's crust is known as.... | deformation |
| What type of stress causes a strike-slip fault? | shearing |
| What type of stress causes a normal fault? | tension |
| A break in Earth's crust where slabs of crust slip past each other is known as a _____. | fault |
| What type of fault does a compression force cause? | reverse fault |
| What type of fault produced the Appalachian Mountains? | reverse fault |
| Define hanging wall. | the half of the fault that lies above (in a normal fault) |
| Define footwall. | the half of the fault that lies below (in a normal fault) |
| The collision of two plates can cause _________ and ________ of the crust. | compression, folding |
| A fold in rock that bends upward into an arch is known as a(n) ________. | anticline |
| A fold in rock that bends downward in the middle to form a bowl is known as a(n) ______. | syncline |
| What is a plateau? | large area of flat land elevated high above sea level |
| What are the four layers of the Earth? | crust, mantle, outer core, inner core |
| T/F: The Earth's crust is thickest beneath the oceans. | False |
| T/F: The inner core and outer core are made mostly of metals. | True |
| The magnitude of the earthquake that hit Haiti was ____. | 7.0 |
| How far was the epicenter from the capital city of Port-au-Prince and in what direction? | 15 miles, SW |
| About how many people were left homeless after the Haiti earthquake? | 600,000 |
| Why would the confirmed number of deaths increase during the clean-up? | people were trapped under the debris and rubble |
Created by:
Mills, Susan
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