Climate Change & Carbon Cycle Quiz (10 Questions)

What is the carbon cycle?

• How carbon moves between the air, plants, animals, and Earth

• How water moves between clouds and the ocean

• How plants make sugar

• How heat moves from the sun

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

Which gas is the most important greenhouse gas linked to climate change?

• Carbon dioxide (CO₂)

• Oxygen (O₂)

• Nitrogen (N₂)

• Hydrogen (H₂)

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NGSS.MS-ESS3-5

Which of the following is a carbon sink?

• Forest

• Car

• Factory

• Airplane

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these human activities adds extra CO₂ into the atmosphere?

• Burning fossil fuels

• Planting trees

• Riding a bike

• Recycling

Why does too much carbon dioxide cause Earth to heat up?

• It traps heat in Earth’s atmosphere

• It blocks the sun’s light

• It makes plants stop growing

• It turns into rain

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NGSS.MS-ESS3-5

Which activity produces the least carbon dioxide?

• Riding a bike

• Driving a car

• Burning coal

• Flying an airplane

What happens when trees are cut down (deforestation)?

• Trees store carbon, and cutting them releases it

• Trees add too much oxygen

• Trees block heat from leaving Earth

• Nothing changes

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of these is an example of a fossil fuel?

• Coal

• Wood

• Sunlight

• Wind

Which of these is a possible effect of climate change?

• Rising sea levels

• Shorter days and longer nights

• More oxygen in the air

• Earth moving closer to the sun

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NGSS.MS-ESS3-4

NGSS.MS-ESS2-6

Which of these helps reduce climate change?

• Planting more trees

• Cutting down forests

• Burning more coal

• Using more cars

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NGSS.MS-ESS3-4

NGSS.MS-LS1-6