Temperature can weather rocks because _____.
most rocks do not absorb heat evenly
water contracts when it freezes
heat can cause minerals to oxidize
rocks usually melt in the hot sun
----
When wet rocks dry out, they can crack and break. This process, called slaking, is an example of what?
chemical weathering
physical weathering
water erosion
wind erosion
-----
In which of the following locations would chemical weathering happen most quickly?
Amazon rainforest
Sahara desert
North Pole
Great Plains
-----
Which of the following is an example of chemical weathering?
A river carrying dirt into a lake.
Wind carrying sand from a beach.
Chemicals in water dissolving minerals in rock.
Friction between two rock surfaces grinding away minerals.
----
Choose all the answers that apply.
Erosion:
can damage aquatic ecosystems
removes fertile topsoil
can decrease revenue from agriculture
is caused mainly by wind and water
is the breakdown of rock and other material
----
Choose all the answers that apply.
Erosion can be reduced by:
contour plowing
putting up fences
planting trees
removing topsoil
---
Which of the following statements is true?
Since the Dust Bowl, erosion has not been a problem in the United States.
The most fertile part of soil is found a few feet below the surface.
Runoff happens when the ground cannot absorb anymore water.
Oxidation happens when carbonic acid gains electrons from oxygen.
----
PLEASE HELP 911
most rocks do not absorb heat evenly
water contracts when it freezes
heat can cause minerals to oxidize
rocks usually melt in the hot sun
----
When wet rocks dry out, they can crack and break. This process, called slaking, is an example of what?
chemical weathering
physical weathering
water erosion
wind erosion
-----
In which of the following locations would chemical weathering happen most quickly?
Amazon rainforest
Sahara desert
North Pole
Great Plains
-----
Which of the following is an example of chemical weathering?
A river carrying dirt into a lake.
Wind carrying sand from a beach.
Chemicals in water dissolving minerals in rock.
Friction between two rock surfaces grinding away minerals.
----
Choose all the answers that apply.
Erosion:
can damage aquatic ecosystems
removes fertile topsoil
can decrease revenue from agriculture
is caused mainly by wind and water
is the breakdown of rock and other material
----
Choose all the answers that apply.
Erosion can be reduced by:
contour plowing
putting up fences
planting trees
removing topsoil
---
Which of the following statements is true?
Since the Dust Bowl, erosion has not been a problem in the United States.
The most fertile part of soil is found a few feet below the surface.
Runoff happens when the ground cannot absorb anymore water.
Oxidation happens when carbonic acid gains electrons from oxygen.
----
PLEASE HELP 911
