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Worksheetsecosystem
Total questions: 10
Worksheet time: 20mins
Which of the following is a concern of deforestation? Check all that apply.
It can have negative effects on soil quality.
It can raise carbon dioxide levels by reducing the number of trees that can remove it from the atmosphere.
It can compromise the availability of fresh water.
It can lower Carbon dioxide levels.
True or false, Chlorofluorocarbons (CFCs) is a chemical group largely responsible for the depletion of the ozone layer?
True
False
What is this picture likely illustrating?
It is comparing the number of trees in the past to the number of trees now to show the effects of deforestation.
It is showing the hole in the ozone layer.
It is describing how the number of people who drive to work has decreased over time.
None of the above
What is this picture showing?
It is showing how deforestation has affected the ecological footprint.
It is showing the hole in the ozone caused by CFCs.
It is showing the rise in global temperatures.
It is showing the chemical makeup of greenhouse gases.
What area of the world has seen a 4 degree rise in temperature?
The north
The south
The east
The west
What is the name for the trapping of heat by gases in the atmosphere.
gas shield
ecological footprints
carbon footprint
greenhouse effect
What is one big concern of global warming?
It is melting the ice caps which raises the ocean water levels. This could result in flooding of coastal cities.
It is freezing the ice caps which lowers sea levels.
It is causing longer winters which result in longer periods of time without sunlight.
It is taking carbon dioxide out of the atmosphere which limits the number of trees that can survive.
What is scarcity and how could it affect an ecosystem?
Too many animals or plants in an area can cause the ecosystem to fail.
Too many animals or plants in an area can cause the animals to be too fat.
Too few animals or plants in an area can cause other animals to go hungry or die.
Too few animals or plants in an area can cause pollution.
What is the largest contributor to global warming?
Farming
Mining and oil drilling
Aviation
Road transport (cars, trucks and busses)
