NGSS.4-ESS2-1

Wind blows sand into the desert where it collects in giant piles called sand dunes

• Mechanical Weathering
• Chemical Weathering
• Erosion
• Deposition

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NGSS.4-ESS2-1

Weathering occurs when rock

• get wet in the rain or snow
• is worn away or broken down into smaller and smaller pieces.
• melts

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NGSS.4-ESS2-1

The process by which small pieces of rocks and soil are carried away to new locations is called...

• weathering
• erosion

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NGSS.4-ESS2-1

How was this canyon most likely formed?

• Water eroded the sandstone away from the canyon walls

• Glaciers eroded the canyon as the ice melted

• Ice wedged into the cracks in the rock and weathered the walls

• Wind blew large rocks that smashed into the walls

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NGSS.4-ESS2-1

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.4-ESS2-1

Monahans Sandhills State Park in Texas has almost 4,000 acres of sand dunes. Some of the dunes are as tall as a six-story building. The dune in the park are formed by-- (5.7B)

• rainstorms

• tornadoes

• earthquakes

• strong winds

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NGSS.4-ESS2-1

What is the slow process that changes the Earth's surface?

• Tornado

• Hurricanes

• Wind Erosion

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NGSS.4-ESS2-1

What do you call the process where over many years, rocks are broken down by weather, water, and living things?

• weathering

• precipitation

• evaportation

• pollution

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NGSS.4-ESS2-1

Which image best shows the movement of sediments from one place to another?

• Deposition at the mouth of a river

• Deposition of sand in a sand dune

• A river eroding sediments

• A glacier weathering rocks

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NGSS.4-ESS2-1

Which step is a part of the formation of Sedimentary rocks?

• weathering

• runoff

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NGSS.4-ESS2-1