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Lesson 2 Earth
Earth Changes Lesson 2
| Term | Definition |
|---|---|
| folding | the process by which Earth's crust responds to pressures, resulting in a surface that has folds; the Appalachian Mountains were formed this way |
| faulting | the formation of cracks in the Earth's surface due to pressure that forces Earth's crust to slip down or to thrust upward along the cracks. |
| dome | the result of magma forcing Earth's crust upward, much like a bubble, causing a mountain to form |
| breakwater | a structure built with concrete or rock to protect the shore from erosion |
| seawalls | structures built just behind the shoreline to help keep the ocean away from the shore |
| jetties | barriers usually built in pairs that extend from both sides of the mouth of a river into an ocean or lake |
| weathering | the process where rock is dissolved, worn away, or broken down into smaller pieces |
| erosion | the gradual removal and transportation of material from the Earth's crust |