Science 8 th grade Environmental Science 100 200 400 300 400 Choice1Choice 2Choice 3Choice 4 300 200 400 200 100 500 100.

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Presentation transcript:

Science 8 th grade Environmental Science

Choice1Choice 2Choice 3Choice

Row 1, Col 1 The three main types of environmental issues. What is Population Growth, Resource use, Pollution?

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)

1,3 Resources that are naturally replaced in a short amount of time. Also, give an example. What are renewable resources? (sunlight, wind, trees)

1,4 Name a nonpoint source (can not be traced back to the source) of pollution. What are cars?

2,1 Name a point source of pollution. What is a sewage pipe?

2,2 The viewpoint that humans should be able to freely use and benefit from all Earth’s resources is called…. What is development viewpoint?

2,3 The study of natural processes that occur in the environment and how humans can affect them. What is the environmental science?

2,4 What are the 3 R’s and give an example of each. Reduce, reuse, recycle

3,1.

3,2 The loss of forest, leading to erosion, and loss of native plant/animal species is called…. What is deforestation?

3,3 Cutting all the trees down to the stumps is called. What is clear cutting?

3,4 Cutting some of the trees down and leaving a mix of trees is called…. What is selective cutting?

4,1 Planting and harvesting trees on tree farms without reducing future supplies is called…. What is sustainable yield?

4,2 How much of the earth is covered with water and how much of it is fresh water….. What is over 97% is covered with water and 3% is fresh water?

4,3 The wearing away of top soil by water and wind is called... What is soil erosion?

4,4

5,1 Gasses can react with water vapor In the air to form this type of precipitation. What is acid rain?

5,2 The ozone layer absorbs _____. What is ultraviolet radiation?

5,3 Energy from the sun strikes the Earth’s surface, changing it to heat that can be trapped. This is called….. What is the greenhouse effect.

5,4 The increase in CO 2 from fossil fuels can lead to ……. What is global warming?