[4.E.2.3] Weathering, Erosion & Deposition

[4.E.2.3] Weathering, Erosion & Deposition

By Vicky Corpuz

4.E.2.3: Give examples of how the surface of the earth changes due to slow processes such as erosion & weathering, and rapid processes such as landslides, volcanic eruptions and earthquakes.

Vocabulary:

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​Weathering	​earthquake
​Erosion	​tectonic plate
​deposition	​volcanic eruption
​landslide	​tsunamis

What is weathering?

Weathering is the breaking apart of larger rocks, shells, leaves, twigs...into smaller pieces called sediment.

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What is weathering?

There are 2 types of weathering:

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1. PHYSICAL WEATHERING or MECHANICAL WEATHERING

2. CHEMICAL WEATHERING​

Weathering, erosion and deposition are slow processes that change the surface of the earth.

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The process of breaking rocks apart WITHOUT changing their chemical composition.

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​Physical/Mechanical Weathering

What is erosion?

​Erosion carries soil and sediment away.

• WIND, RAIN and GLACIERS carry sediment from one place to another. ​

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