6.4 Erosion and Deposition flashcards
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10 Terms
Weathering
The gradual process of breaking down rocks into fragments in one place.
Physical weathering
Weathering due to temperature and pressure changes and plant growth.
Chemical weathering
Weathering due to acids from water or plants.
Erosion
When rock materials are moved by nature (water, wind, etc.) away from a landform.
Deposition
When rock sediment is moved and builds up at a new location by water or ice.
Sediment
Solid rock material that is moved to a new location; eroded material.
What breaks down the Earth's surface?
water, waves, ice, wind, chemical reactions, temperature change and living things
What is the common order of rocks breaking down?
weathering, erosion, deposition
What are two examples of deposition?
beaches made from the ocean; soil formed in forests
What is eroded material?
sediment
