Changing Earth

Caves are large empty spaces below the surface of the earth. Which of the following processes forms caves over millions of years?

• Rivers carry mud and silt and then deposit them.

• Water flowing underground carries away minerals.

• Volcanic eruptions leave behind hollow areas.

• Ocean currents move sediments along the beach.

Tags

NGSS.MS-ESS2-2

A farmer notices that soil on the farm has been decreasing over the past few months. What environmental factor is most likely related to the loss of soil?

• Recent heavy rains

• Steady increase in temperatures

• Abundant crop yields

• Decrease in temperatures

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NGSS.MS-LS2-1

Stalagmites are formed by .

• weathering

• erosion

• wind

• deposition

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NGSS.MS-ESS2-2

What is sediment?

• the process of rocks being broken down and carried away

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

• the top layer of the soil

• decaying plant or animal material 

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which of these is an example of erosion

• Light Shinning onto a mountain

• Rain breaking down rock 

• Wind blowing away sediment

• All of the above

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NGSS.MS-ESS2-2

What happens when weathering and erosion work together?

• New Mountains are created

• The climate changes overnight

• Metal objects become rusty

• They change the Earth's surface

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NGSS.MS-ESS2-2

What is the major cause of weathering and erosion to form canyons?

• wind

• ice

• glaciers

• moving water

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How do plants weather rocks?

• during photosynthesis

• when roots grow into cracks of rocks and expand the rock

• when the plant moves water from the roots to the leaves

• Plants don't weather rocks

Which agents  break down earth materials?

• wind only

• earthquakes and gravity

• ice and 007

• wind, water, and ice

Tags

NGSS.MS-ESS2-4

After sediment has been carried down a stream, the stream eventually loses energy and ___________ the sediment in a new location.

• waves goodbye to

• drinks

• doesn't care about

• deposits