NGSS.MS-ESS2-2

This is a picture of glacier scars found in Africa.  What are these evidence for?

• Africa has always been near the equator
• Africa was once in an area of the Earth that had a very cold climate
• The continents have not moved
• sea floor spreading

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NGSS.MS-ESS2-2

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

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NGSS.MS-ESS2-2

Earthquakes produce...

• Volcanic eruptions
• Seismic Waves
• Longitudinal Waves
• Visible Light

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NGSS.MS-ESS2-2

plants produce weak acids that slowly dissolve the rock they are growing on

• chemical weathering
• mechanical weathering
• erosion
• deposition

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NGSS.MS-ESS2-2

What type of changes does erosion cause?

• Physical changes

• Chemical changes

• Electrical changes

• Magnetic changes

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NGSS.MS-ESS2-2

What do floodplains, sandbars, and river deltas have in common?

• They've all been formed by water erosion

• They've all been formed by glacial erosion

• They've all been formed by wind erosion

• They've all been formed by sandblasting

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NGSS.MS-ESS2-2

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

When 2 plates collide what results are common?

• mountain formation

• volcanic activity

• earthquakes

• crust destroyed

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NGSS.MS-ESS2-2

This is an example of a ____________.

• V-shaped river valley

• continental glacier

• U-shaped valley

• cirque

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NGSS.MS-ESS2-2

The image shows a...

• continental glacier

• valley glacier

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NGSS.MS-ESS2-2