NGSS.4-ESS2-1

The process when rocks break into smaller pieces due to exposure to natural elements is called

• erosion
• weathering
• sediments

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NGSS.4-ESS2-1

Wind blows sand onto rocks and slowly breaks down the rock

• Mechanical Weathering
• Chemical Weathering
• Erosion
• Deposition

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NGSS.4-ESS2-1

This landform is a sea arch. What is responsible for shaping this arch?

• plate tectonics
• earthquakes
• deposition
• erosion

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NGSS.4-ESS2-1

What is erosion?

• Erosion is when rocks and soil are moved to new places.
• Erosion is when rocks are broken into smaller pieces.
• Erosion is what happens during a rainstorm. 
• Erosion is something that happens to very small animals. 

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NGSS.4-ESS2-1

How can rain change a mountain?

• Rain causes flash flooding on mountains.

• Water erosion wears down the peaks of a mountain.

• Water can cause cracks in the mountainside.

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NGSS.4-ESS2-1

What does erosion do?

• It physically breaks down rocks

• changes rocks chemically

• moves broken pieces of rocks

• changes sediment in rocks

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NGSS.4-ESS2-1

The breaking apart, wearing away, or dissolving of rock is called?

• weathering

• erosion

• deposition

• abrasion

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NGSS.4-ESS2-1

The movement of sediment down a fast-moving river.

• Weathering

• Erosion

• Deposition

• River

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NGSS.4-ESS2-1

What is sediment?

• bits of rock, sand, and silt caused by the weathering of rocks

• decaying plant or animal material

• the process of rocks being broken down and carried away

• the top layer of the soil

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NGSS.4-ESS2-1

This picture of a delta is an example of

• Weathering

• Erosion

• Deposition

• Abrasion

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NGSS.4-ESS2-1