The Carbon Cycle and Climate Change

What do plants and microorganisms convert carbon dioxide into?

• Water and minerals

• Oxygen and sugar

• Soil and sand

• Heat and light

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How do animals contribute to the carbon cycle?

• By creating fossil fuels

• By absorbing carbon dioxide directly from the air

• By emitting carbon dioxide through respiration

• By converting carbon dioxide to water

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What happens to animals and plants after they die?

• They immediately turn into fossil fuels

• They are preserved intact forever

• They decompose and can become part of the ground

• They evaporate into the atmosphere

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How do coral and plankton in the ocean get carbon?

• From underwater volcanoes

• By hunting smaller sea creatures

• By absorbing it directly from the atmosphere

• Through the water, which absorbs carbon from the atmosphere

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What can cause trapped carbon to be released into the atmosphere over time?

• Tidal waves

• Lightning strikes

• Forest fires

• Volcanic eruptions

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What is the role of volcanoes in the carbon cycle?

• They cool down the Earth's atmosphere

• They release trapped carbon back into the atmosphere

• They absorb carbon dioxide from the air

• They produce oxygen

What recent human activity has disrupted the carbon cycle?

• Building more coral reefs

• Increasing ocean water temperature

• Digging up and burning fossil fuels

• Planting more trees

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What is a consequence of too much carbon in the atmosphere?

• Increased global warming

• Decreased plant growth

• Decreased ocean levels

• Increased global cooling

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What is one way to remove carbon from the atmosphere?

• Reduce the amount of sunlight

• Grow more plants and trees

• Increase the use of fossil fuels

• Increase global temperatures

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What technology is being developed to fight climate change?

• Machines that increase the Earth's orbit

• Machines that extract and store carbon from the atmosphere

• Machines that create artificial clouds

• Machines that convert carbon dioxide into oxygen

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