Checkpoint 10 Review

How do plants most commonly break large rocks into smaller pieces?

• Seeds from plants fall onto rocks and release acidic compounds.

• Plant roots grow into cracks in rocks.

• Stems of plants surround and squeeze rocks.

• Plant protects surrounding rocks from extreme temperatures.

An avalanche is an example of which process?

• Weathering
• Erosion
• Deposition
• Volcanic Eruption

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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.MS-ESS2-2

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering
• Erosion
• Deposition
• Decomposition

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Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features.
• breaking down large rocks into smaller ones.
• washing away beaches.
• moving topsoil.

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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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What is the process that picks up and moves weathered rocks?

• Deposition
• Landslide
• Weathering
• Erosion

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What causes the greatest erosion effect on our beaches?

• Waves
• Gravity
• Glaciers
• Wind

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Deposition changes the Earth’s surface because bits of broken rock and soil _____.

• stop rivers from flowing.
• make rich farmlands.
• are dropped in new places.
• move very slowly.

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Which of these is an example of erosion?

• Light shining onto a mountain.
• Rain breaking down rocks on a mountain into smaller pieces. 
• Wind blowing away sediment to a new place on the mountain.
• All of the above.

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NGSS.MS-ESS2-2