S6E5 H

An avalanche is an example of which process?

• Weathering

• Erosion

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.

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

• Weathering
• Erosion

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.

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

• Erosion

• Weathering

What causes the greatest erosion effect on our beaches?

• Waves
• Gravity
• Glaciers
• Wind

The process by which water, ice, wind, or gravity moves weathered rock and soil from one place to another.

• Weathering

• Erosion

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 bits of dirt to a new place on the mountain.

• All of the above.

Muddy water being carried away by a fast-moving river is an example of

• Weathering
• Erosion
• A mess
• A nice place to swim

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

• A glacier
• An iceberg
• An ice wedge
• A sand dune