erosion

which is an example of erosion?

• An area of land that contains a common set of streams and rivers that all drain into a single larger body of water

• The wind carries small pieces of rock away from the side of a mountain.

• Wind and water cause small pieces of rock to break off at the side of a mountain.

• Discharged legally or illegally by a manufacturer, oil refinery, or wastewater treatment facility, as well as contamination from leaking septic systems, chemical and oil spills, and illegal dumping.

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NGSS.MS-ESS2-2

Definition of erosion?

• the gradual destruction or diminution of something.

• the process of wearing or being worn by long exposure to the atmosphere.

• Pieces of rocks tumbling down a mountain.

• the process of eroding or being eroded by wind, water, or other natural agents.

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

how do erosion and weathering work together?

• Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

• Erosion removes sediment from a land form while deposition adds sediment to a land form.

• They don't.

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NGSS.MS-ESS2-2

how does erosion happen?

• Water, ice, acids, salts, plants, animals, and changes in temperature

• when the eroding agent, whether it be gravity, ice, water, waves, or wind, runs out of energy and can no longer carry its load of eroded material

• when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How does erosion work?

(a)  

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NGSS.MS-ESS2-2

Draw what erosion looks like

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NGSS.4-ESS2-1

which is erosion

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How do wind erosion and deposition change the Earth's surface?

(a)  

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NGSS.MS-ESS2-2

Does wind erosion change a rock's color?

How can wind erosion be helpful in some areas?

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NGSS.MS-ESS2-2