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35 questions
How was the Grand Canyon formed?
Chemical weathering
Erosion due to wind
Erosion due to water
Physical weathering
Weathering involves the
formation of rocks and minerals at Earth's crust
movement of rock fragments at Earth's surface
physical and chemical breakdown of rocks.
transport of rocks and minerals through wind.
Acid rain is an example of
physical weathering
chemical weathering
Ice wedging is an example of
Chemical weathering
Mechanical weathering
The development of soils in extremely dry climates...
develops more slowly than soils in humid areas.
develops more rapidly than soils in humid areas.
Under which conditions is the thickest soil is most likely to form?
in a warm, wet climate
in a warm, dry climate
in a cold, wet climate
in a cold, dry climate
Kelly and her sister made a sand castle at the beach. Kelly slowly poured water on top of the sand castle. Some of the sand ran down the side of the castle with the water. What type of phenomenon did Kelly demonstrate?
Weathering by wind
Weathering by water
Erosion by water
Erosion by wind
Weak acid produced by plants slowly dissolve rock that surround roots
Physical weathering
Chemical weathering
How will an increase in wind speed affect soil erosion?
Soil erosion will increase.
Soil erosion will decrease.
Soil erosion will remain the same.
Soil erosion will completely stop.
Mark's family vacations at the same beach every year. Mark has noticed that the beach area is getting smaller. What is happening to the beach?
Mechanical weathering is taking place.
Tourist are taking home too much sand.
Erosion is taking place and the sand is being moved to a new location.
How does erosion compare to physical weathering?
Weathering breaks down materials, and erosion carries them from place to place.
Erosion breaks down materials, and weathering carries them from place to place
Both move materials from place to place.
Both break down materials.
A landslide is an example of
weathering and sedimentation.
weathering and compacting.
erosion and compacting
erosion and weathering
Which soil horizon is at the bottom?
Topsoil
bedrock
Humus
Subsoil
Which layer of soil contains living organisms?
subsoil
"c" horizon
topsoil
bedrock
Which area would have more fertile soil?
The side of a rocky mountain.
The middle of a pine forest in Georgia.
An area where deforestation has occured.
On a beach
Which process most likely caused barrier island to form?
sudden erosion of a sandbar
deposition of sand over time
wearing down of seashells
effects of a hurricane
Which activity will most likely increase soil fertility?
Worms are removed from the soil.
A tree is cut for lumber
Plastic is buried in the ground.
A tree dies and decays.
How are sand dunes formed?
High waves
sand being dropped off by birds
sand being dropped off by wind
sand being moved by man
Which part of topsoil contains decayed plant and animal matter?
clay
humus
sand
dirt
Which of the following is a result of deforestation?
increase in wildfires
decreased carbon dioxide levels
increase in wildlife habitat
increased soil erosion
Which landform is created through deposition at a mount of a river?
sand spit
delta
barrier island
sand bar
A very dark colored soil sample is taken from the Okefenokee Swamp. What is most likely the majority of the composition of the soil?
rocks and minerals
decomposed organic matter
sand and stones
dust and weathered rocks
What most likely caused this rock formation?
erosion by waves over many years
wind erosion over many years
the rock was chipped away by animals
high temperatures that melted the rock
John trips over a crack in the sidewalk. He noticed that the sidewalk had several other cracks and weeds growing in them too. This is an example of what type of weathering?
chemical
physical
Which type of river will have the most erosion?
a slow river
a curvy river
a fast moving river with a large amount of water
a fast moving river that is slowed down by a dam.
True or False.
Rocks weather faster when a large surface area is exposed.
true
false
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