S5E1b Constructive and Destructive Processes

What type of process most likely created the mountain chain seen here?

• Volcanic eruptions created the mountains over millions of years.

• Tectonic plates pushed together forcing one plate under the other and then pushing the land upward.

• Earthquakes broke the earth into pieces and parts of it fell into cracks between faults.

• A river flowed through the land and created the valleys between the mountains making them appear taller.

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NGSS.MS-ESS2-2

The picture here shows a landslide. What can you infer from the picture?

• Landslides are a destructive process that break apart the surface of the earth.

• Landslides are a constructive process that build new mountains and dams on the surface of the earth.

• Landslides are caused by volcanic eruptions,

• Landslides are helpful to road crews.

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NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Sand dunes can be viewed in the picture. What is the best way to simulate the formation of sand dunes?

• Use a hair dryer to blow sand into piles showing how wind can deposit sand in new locations.

• Use ice to move sand from one place to another the way that a glacier would on the earth's surface.

• Use water and sand to show how water can move sand from one place to another through the process of erosion.

• Use sand and a shaky table to show how earthquakes can move parts of the earths surface.

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NGSS.MS-ESS2-2

Earthquakes and volcanoes are______________ forces.

• constrcutive and destructive
• constructive
• physical changes
• destructive

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NGSS.MS-ESS2-2

What is a destructive force?

• A natural process that destroys land
• A natural process that creates land
• A natural process where areas that are normally dry is covered in water

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NGSS.MS-ESS3-2

A constructive force is defined as

• a natural occurrence that can build up or break down
• an earthquake or a volcano
• a natural force that builds up and creates new land
• a destructive force that has been controlled

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NGSS.MS-ESS2-2

Using the image of the stream table, how could the students increase the amount of erosion?

• Lower the stream table to 5 cm high
• Raise the stream table to 15 cm high
• Reduce the volume of water.
• Reduce the flow rate of water.

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NGSS.MS-ESS2-2