WorksheetsCarbon Cycle
Total questions: 10
Worksheet time: 7mins
1) Why is carbon such an important element?
Because carbon is a key element in producing electricity
Because without carbon the Sun would run out of energy
Because carbon is the central element to all living organisms
All of the above
None of the Above
2) What are processes that remove carbon from the atmosphere called?
Sources
Cycles
Carbonates
Sinks
Filters
3) What are processes that add carbon to the atmosphere called?
Sources
Cycles
Carbonates
Sinks
Filters
4) Which part of the carbon cycle involves animals breathing in oxygen and out carbon dioxide?
Photosynthesis
The oceans
Respiration
Decay
Combustion
5) Which part of the carbon cycle occurs when plants or animals die?
Photosynthesis
The oceans
Respiration
Decay
Combustion
6) Which part of the carbon cycle occurs when plants convert sunlight and C02 into oxygen and sugar?
Photosynthesis
The oceans
Respiration
Decay
Combustion
7) Which part of the carbon cycle occurs when plants, trees, or fossil fuels are burned?
Photosynthesis
The oceans
Respiration
Decay
Combustion
8) Which part of the carbon cycle involves sea creatures using carbonic acid to make their shells?
Photosynthesis
The oceans
Respiration
Decay
Combustion
9) True or False: Some carbon is needed in the atmosphere to keep the Earth warm.
True
False
10) How has man influenced the carbon cycle and increased the amount of carbon in the atmosphere?
Burning coal
Cutting down trees
Burning oil
All of the above
None of the Above
