science 8 th grade environmental science 100 200 400 300 400 choice1choice 2choice 3choice 4 300 200...
TRANSCRIPT
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Science
8th grade
Environmental Science
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Row 1, Col 1
The three main types of environmental issues.
What is Population Growth, Resource use, Pollution?
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1,2
Resources that can not be replaced as they are used
because of limited supply.
Also, give an example
What is nonrenewable resources? (coal, oil, gas)
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1,3
Resources that are naturally replaced in a short amount of time.
Also, give an example.
What are renewable resources? (sunlight, wind, trees)
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1,4
Name a nonpoint source (can notbe traced back to the source) of
pollution.
What are cars?
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2,1
Name a point source of pollution.
What is a sewage pipe?
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2,2
The viewpoint thathumans should be able to freelyuse and benefit from all Earth’s
resources is called….
What is development viewpoint?
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2,3
The study of natural processesthat occur in the environment
and how humans can affect them.
What is the environmental science?
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2,4
What are the 3 R’s and give an example of each.
Reduce, reuse, recycle
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3,1
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3,2
The loss of forest, leading to erosion, and loss of native
plant/animal species is called….
What is deforestation?
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3,3
Cutting all the trees down to thestumps is called.
What is clear cutting?
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3,4
Cutting some of the trees down and leaving a mix of trees is
called….
What is selective cutting?
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4,1
Planting and harvesting treeson tree farms without
reducing future supplies iscalled….
What is sustainable yield?
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4,2
How much of the earth is coveredwith water and how much of it
is fresh water…..
What is over 97% is covered with water and 3% is fresh water?
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4,3
The wearing away of top soil bywater and wind is called...
What is soil erosion?
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4,4
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5,1
Gasses can react with water vaporIn the air to form thistype of precipitation .
What is acid rain?
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5,2
The ozone layer absorbs _____.
What is ultraviolet radiation?
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5,3
Energy from the sun strikes theEarth’s surface, changing it to heat that can be trapped.
This iscalled…..
What is the greenhouse effect.
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5,4
The increase in CO2 from fossilfuels can lead to …….
What is global warming?