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Changes of the Earth
Term | Definition |
---|---|
agents of change | wind, water, waves, and ice |
earthquakes | a sudden release of energy in the Earth´s crust that can cause shaking of Earth´s crust |
landslides | the sudden movement of rock down a slope caused by rain, volcanoes, earthquakes, or instability |
volcanic eruption | a sudden release of pressure which causes magma, ash, gas, and rock shards to erupt |
sand dunes | form from the erosion and deposition of sand by the wind |
canyons (v-shaped valley) | form from the weathering and erosion of rock by fast-moving water, such as rivers |
river deltas | form from the erosion and deposition of sediment found in rivers |
glacier valleys (u-shaped valley) | form from the weathering and erosion of rock by slow-moving glaciers |
weathering | the breaking down of rock into sediment by wind, water, or ice |
erosion | the movement of sediment from one place to another by wind, water, or ice |
deposition | the dropping off or settling of sediment as wind, water, or slow/stop |