WorksheetsCarbon Cycle and Global Warming
Total questions: 18
Worksheet time: 2hrs 36mins
All of the carbon in existence is continually recycled in the carbon cycle.
C6H12O6 is also known as glucose (sugar). Where is it found?
Plants
Animals
Both plants and animals
Neither plants or animals
Which of the following are fossil fuels?
Coal, water, oil
Oxygen, coal, oil
Coal, Oil, Natural Gas
None of the above
How does carbon become locked inside the earth?
Tree roots expel carbon into the soil as they grow.
Humans use machines to pump carbon dioxide into large underground rocks.
Rocks become richer in carbon as time goes by.
The carbon-rich bodies of plants and animals decay into the earth after they die.
How do carbon emissions lead to global warming?
By trapping the sun's heat in the atmosphere.
By causing very hot volcanic eruptions.
Rocks become richer in carbon as time goes by.
By increasing the amount of carbon in the earth's crust
Which of the following have been changed or altered due to climate change ?
droughts
flooding
melting of polar ice caps
all of the above
The main human activity that releases greenhouse gases is
using public transportation and there by reduce the affects of greenhouse gases.
burning fossil fuels
texting on cellphones
eating meat
If the plant population decreased, the amount of carbon in the atmosphere would _________.
Stay the same
Increase
Decrease
Plants use ____________ to make their own food
Water
Sunlight
Carbon dioxide
All of these
Which is an example of a carbon sink?
Carbon atoms cannot be created or destroyed
True
False
Not enough information to answer
