WorksheetsCarbon Cycle Quiz
Total questions: 15
Worksheet time: 8mins
All of the carbon in existence is continually recycled in the carbon cycle.
The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.
the Carbon Cycle
the Oxygen Cycle
the Carbon dioxide Cycle
the Water Cycle
How do animals get carbon?
By eating plants and or other animals.
They absorb it from the atmosphere.
From the ground
They do not get carbon from anywhere.
What is CO2?
Carbon Monoxide
Carbon Trioxide
Carbon Dioxide
Oxygen
Which of the following are fossil fuels?
Coal, water, oil
Oxygen, coal, oil
Coal, Oil, Natural Gas
None of the above
The diagram shows a model that Peter made of the carbon cycle. Which mistake did Peter make in the model?
Plants do not lose carbon through respiration.
The burning of fossil fuel does not release carbon.
Organisms that decay do not deposit carbon in the soil.
Animals do not breathe carbon dioxide from the atmosphere.
What happens to light energy from the Sun when it reaches the surface of Earth?
The light energy is multiplied when it reaches the plants on Earth.
The light energy is destroyed when plants are eaten by herbivores.
The light energy is transformed to chemical energy by photosynthesis.
The light energy is converted to potential energy by cellular respiration.
How does carbon dioxide enter the atmosphere?
Carbon dioxide is only released into the atmosphere by human activities.
Carbon dioxide is only released into the atmosphere by animals and bacterial decomposers.
Carbon dioxide is only released into the atmosphere by plants, animals, and bacterial decomposers.
Carbon dioxide is released into the atmosphere by plants, animals, bacterial decomposers, and human activities.
Which statement about the carbon cycle is most true?
Energy is destroyed when organic matter decays.
The total mass of carbon on Earth is always increasing.
Carbon is lost from the cycle when it enters the atmosphere.
Carbon changes form, but the total amount on Earth remains the same.
