green house effect and global warming

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Gases that keep the Earth's temperature steady are called

• Greenhouse gases

• atmospheric gases

• Heat gases

• temperature monitors

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NGSS.HS-ESS3-5

Green plants absorb carbon dioxide and produce ___________ during photosynthesis.

• Oxygen

• Carbon Dioxide

• Methane

• Nitrous oxide

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NGSS.MS-LS1-6

What causes global warming?

• Fire in the Amazon forests

• Extra heat being trapped on the planet by greenhouse gases

• Many volcanic eruptions around the world

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NGSS.MS-ESS3-5

The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-5

The greenhouse gas having the greatest role in human-caused global warming is

• methane
• carbon dioxide
• CFCs (chlorofluorocarbons)
• ozone

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NGSS.MS-ESS3-5

Why does cutting down trees increase global warming?

• trees soak up carbon dioxide
• trees provide shade which counteracts global warming
• trees absorbs the sun's energy without radiating back into the atmosphere
• trees drain greenhouse gases like methane from soil

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NGSS.MS-ESS3-5

NGSS.MS-LS1-6

What is the greenhouse effect?

• warming of the earth due to gases in our atmosphere.
• cooling of the earth due to gases in our atmosphere

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NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

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NGSS.HS-ESS2-4

NGSS.HS-ESS2-6