Weathering
Erosion
Causes
Changes
Grab Bag
100
Which of the following is the correct definition of "weathering"? A: The breakdown of rocks. B: The removal of rocks. C: Neither
What is A: the breakdown of rocks.
100
Which of the following is the definition of erosion? A: The process of disintegration of rock and soil. B: The processes that involve the movement of soil and rock. C: Both D: Neither
What is B: The processes that involves the movement of soil and rock.
100
This type of erosion involves movement of material by the wind.
What is wind erosion
100
Weathering that is caused by direct contact or force that can change a large rock into pebbles
What is physical weathering
100
When a rock falls from a cliff face, the agent of erosion is usually caused by this
What is gravity
200
The ocean creates this by weathering away at the coral.
What is sand
200
Erosion is more likely to occur on land that is not flat, but at a ______________
What is slope
200
This type of erosion is caused by either raindrops or heavy rain.
What is water erosion
200
A river steadily runs through an area and carves a _________ through the rock
What is a valley (canyon)
200
Gravity, ice, wind, and water are agents of __________.
What is erosion
300
After weathering occurs this is left over from the rocks that have been broken down.
What is sediment (or soil)
300
The most effective force of erosion
What is running water
300
This type of erosion occurs due to the action of currents and waves
What is shoreline (ocean) erosion
300
A violent, destructive windstorm with funnel-shaped clouds
What is a tornado
300
Burning fossil fuels adds harmful chemicals to the air and can form this type of rain
What is acid rain
400
Which process comes first, erosion or weathering? A: erosion B: weathering
What is B: weathering
400
Is erosion a natural process? A: Yes B: No C: Maybe
What is A: Yes
400
This type of erosion involves movement down a slope due to force of gravity.
What is gravitational erosion
400
Many sandy beaches are likely to undergo erosion as a result of what?
What is tides (waves)
400
What is formed by the deposition of large amounts of sediment into a body of water by a river? A: an alluvial fan B: a gully C: a rill D: a delta
What is D: a delta
500
The solid fragments of material that comes from the weathering of rocks
What is sediment
500
This organism found in nature helps hold soil together and can help prevent the movement of soil.
What is tree roots
500
The type of weathering caused by acid, normally found in rain
What is chemical weathering
500
Water can break down rocks because: A: water carries strong acids that erode rocks B: water takes up less space when it freezes and rocks collapse inward C: water expands when it freezes in cracks in rocks
What is A: water carries strong acids that erode rocks
500
Rocks containing iron become soft and crumbly and turn reddish in color because of chemical weathering caused by this element
What is Oxygen
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