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WorksheetsDo now Cycling of matter and energy Review
Total questions: 10
Worksheet time: 21mins
Name
Class
Date
1.
If the grass has 4360 kJ of energy, how much energy does the owl get?
a)
436
b)
4.36
c)
46
d)
4360
2.
If the rabbit has 240 kJ of energy, how much does the snake get?
a)
240
b)
2400
c)
2
d)
24
3.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
4.
If the plant population decreased, the amount of carbon would ______.
a)
Stay the same
b)
Increase
c)
Decrease
5.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
6.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
7.
Why does too much carbon dioxide in the atmosphere cause climate change?
a)
It cools down our planet
b)
It blocks out UV rays
c)
It traps heat and warms up our planet
d)
It lets sunlight escape
8.
A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?
a)
volatilization
b)
nitrogen fixation
c)
runoff
d)
ammonification
9.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
10.
Which of the following are an example of climate change?
a)
CO2 from cars cause the layer of greenhouse gases in the atmosphere to thicken.
b)
The meteorologist predicted the forecast to be partly cloudy with high of 82 degrees.
c)
Earth’s surface temperatures have increased by 2 degrees in the last decade.
d)
If temperatures continue to rise, Greenland’s ice sheet will melt causing sea levels to rise, which means coastal cities and islands will be underwater.
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