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WorksheetsCycles of Matter II
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Deforestation is caused by
a)
agriculture activities
b)
snakes
c)
banks
d)
schools
2.
Deforestation has an affect on the water cycle
a)
true
b)
false
3.
Deforestation causes an increase in atmospheric carbon dioxide
a)
true
b)
false
4.
what is the leading cause of deforestation?
a)
Diseases
b)
Housing market
c)
Agriculture and Farming
d)
Paper mill
5.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses
c)
soil erosion and flooding
d)
all of the above
6.
Does deforestation contribute to global warming?
a)
No, trees aren't that important
b)
Sometimes because only the cutting down of Maple trees contributes to global warming
c)
No, deforestation adds methane to the atmosphere, which makes the Earth cooler
d)
Yes; less trees means less CO2 is turned into oxygen.
7.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
8.
An area in the ocean without a lot of oxygen.
a)
The eye
b)
Dead zone
c)
Circumpolar
d)
Walking Dead ZOne
9.
"Making the area especially hypoxic," what does hypoxic mean?
a)
Deadzone
b)
climate change
c)
low in oxygen
d)
warming up
10.
What causes algal blooms?
a)
too much Nitrogen in the water
b)
too much Oxygen in the water
c)
not enough Nitrogen in the water
d)
not enough Oxygen in the water
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