Erosion Review

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features.
• breaking down large rocks into smaller ones.
• washing away beaches.
• moving topsoil.

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NGSS.MS-ESS2-2

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering
• Erosion
• Deposition
• Decomposition

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NGSS.MS-ESS2-2

What causes the greatest erosion effect on our beaches?

• Waves
• Gravity
• Glaciers
• Wind

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NGSS.MS-ESS2-2

This is a sudden movement of weathered material downslope.

• soil flow

• landslide

• soil creep

• erosion

These rocks were made smooth by wind blowing smaller rock particles across their surface.  This is an example of:

• ice wedging
• chemical weathering
• acid rain
• abrasion

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NGSS.MS-ESS2-2

Deltas forming at the mouths of rivers are examples of what?

• Weathering

• Erosion

• Deposition

• Compaction

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NGSS.MS-ESS2-2

The process of moving weathered rock and depositing it in another location is called?

• weathering
• erosion
• deposition

What is the small broken down pieces of rock called?

• dirt
• grime
• sediment
• popcorn

A cliff formed near the ocean.  Which statement best describes how this cliff formed?

• Warm air melted the rock.
• Sun rays evaporated the rock.
• Ocean waves washed away rock.
• Plant roots pushed away the rock.

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NGSS.MS-ESS2-2

The changes in the shape of the Grand Canyon are a result of.....

• water erosion

• wind erosion

• deposition

• earthquakes

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4