Weathering and Erosio

Why is the cliff worn away the most near or under the level where the water is?

• because fish and animals who live in the water tear up the cliff
• because the waves and moving water wear away the cliff
• because the cliff is softer beneath the water line
• because changes in temperature are greater in the water

How is wind erosion different from water erosion?

• It can transport sediment uphill.
• It carries away more sediment.
• It is more powerful than water.
• It cannot erode rock.

Which of the following causes changes in the Earth's surface through erosion?

• earthquakes
• caves
• canyons
• wind

Many landforms are created through the process of weathering and erosion.  Which statement correctly compares weathering and erosion?

• Erosion can make weathering happen slower by breaking up rocks.
• Weathering can help erosion happen faster by breaking up rocks.
• Weathering and erosion must always take place at the same time.
• Weathering and erosion are two names for the same process.

When rocks and soil are broken down into smaller pieces, this is called _____________.

• vaporization
• erosion
• weathering
• deposition

Angelina made a stream table by putting some sand in a small container.  She tilted the container and water ran down it.
Which of these could Angelina learn from the stream table?

• how running water weathers stone
• how erosion caused by running water shapes land
• how to protect streams from too much erosion
• how freezing water causes weathering

Which feature of the Earth's surface listed below is likely to be moved by wind?

• mountain
• soil
• rock
• mud

A gradual change in the environment takes place slowly over a long period of time.  Which of the following events usually changes the Earth's surface most gradually?

• earthquakes
• erosion
• lightning
• floods

Which of the following is a change in the Earth's surface caused by glaciers?

• creation of ridges
• formation of lakes
• movement of boulders
• all of these

Cole wants to see a real example of rock weathering.  Where would be the best place for him to go?

• downstairs in his basement
• to a pond down the street
• up in the mountains
• up on the roof of his house