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WorksheetsThe Carbon Cycle
Total questions: 10
Worksheet time: 5mins
Carbon is a:
Baby
Molecule
Cell
Atom
Humans breathe in _______ and exhale _______.
oxygen; CO2
CO2; oxygen
oxygen; oxygen
oxygen; carbon monoxide
Burning fossil fuels creates energy because:
Of electromagnetism
The stored energy in the carbon-based fossil fuel is converted from sunlight through photosynthesis
The potential energy of all the pressure put into the fossil fuels is being released
Oil has super powers
The process of plants turning sunlight and carbon into sucrose and glucose is called:
Carbohydrates
Decomposition
Deforestation
Photosynthesis
When is most of the carbon dioxide that is exhaled from plants formed?
respiration
circulation
photosynthesis
when it starts the carbon cycle
Combustion is another word for
burning
melting
exploding
incinerating
Deforestation contributes to the greenhouse gasses by
increasing the amount of oxygen in the air
loss of trees that would otherwise remove carbon dioxide from the air
as trees are cut, they release carbon dioxide
add carbon to the atmosphere
Carbon is stored in
underground in soil and fossil fuels
trees and other living things
oceans
all are correct
Organisms that do not decompose can be buried and become what?
Plant food
Toxic waste
Decomposition
Fossil fuels
What is NOT a Fossil Fuel?
Gas
Coal
Electricity
Oil
