NGSS.4-ESS2-1

The process by which running water, wind, or ice carry away bits of broken-up rock

• weathering
• sediment
• erosion
• cememtation

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NGSS.4-ESS2-1

What has changed the shape of this cliff over time?

• ice freezing in the cracks
• rocks moving in a river
• sand blowing in the wind
• waves from the ocean

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NGSS.4-ESS2-1

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

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NGSS.4-ESS2-1

What caused the landform in this picture to form?

• wind

• ice

• gravity

• water

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NGSS.4-ESS2-1

Animals digging holes in the ground is

• weathering

• erosion

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NGSS.4-ESS2-1

Rock is broken into smaller and smaller pieces over time by all of the following EXCEPT -

• Flowing water

• Blowing wind

• Cooling sand

• Moving Ice

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NGSS.4-ESS2-1

Frost, ice, the roots of plants, running water or heat from the sun can all cause _____

• erosion

• mechanical weathering

• chemical weathering

• hammering

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NGSS.4-ESS2-1

Students were tasked with making a model of how natural forces can change the surface

features of Earth. They make a pile of sand in front of an electric fan and turn it on. This model best represents which of the following changes to the surface of Earth?

• The formation of a delta at the mouth of a river.

• The building of a mountain on the edge of a continent.

• The movement of dunes caused by the blowing wind.

• The creation of a canyon by flowing water.

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NGSS.4-ESS2-1

How long does the weathering process take?

• A few days.

• No more than a month.

• Exactly one year.

• Years and Years.

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NGSS.4-ESS2-1

Which of these is an example of erosion?

• Light shining on a mountain

• Wind blowing away sediment.

• Rain breaking down rock.

• All of the above.

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NGSS.4-ESS2-1