The video explains global warming and its connection to the greenhouse effect, where gases like carbon dioxide trap heat in the atmosphere. It delves into the carbon cycle, highlighting how carbon is recycled through respiration and photosynthesis. The role of decomposers in breaking down dead matter and forming fossil fuels over millions of years is discussed. The video emphasizes the impact of burning fossil fuels on global warming and the importance of managing carbon dioxide levels to mitigate climate change.

What is global warming often associated with?

• Increased rainfall

• More frequent earthquakes

• Rising global temperatures

• Decreased sunlight

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What is the greenhouse effect?

• A type of renewable energy

• A way to reduce carbon emissions

• A method plants use to grow faster

• A process where gases trap heat in the atmosphere

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NGSS.MS-ESS3-5

Which gas is primarily responsible for the greenhouse effect?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon Dioxide

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What is respiration in the context of the carbon cycle?

• The process of plants making food

• The release of oxygen by plants

• The intake of carbon dioxide by animals

• The process of animals and humans breathing out carbon dioxide

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What do green plants use to make their food?

• Nitrogen and sunlight

• Carbon monoxide and water

• Oxygen and sunlight

• Carbon dioxide and water

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What happens to carbon when a living thing dies?

• It disappears

• It is released back into the atmosphere or soil

• It turns into oxygen

• It becomes water

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What is a decomposer?

• An organism that breaks down dead matter

• A type of fossil fuel

• A gas that traps heat

• A plant that uses photosynthesis

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What can fossil fuels turn into after millions of years?

• Water and oxygen

• Sunlight and energy

• Carbon dioxide and nitrogen

• Oil and coal

What happens when fossil fuels are burned?

• They reduce global warming

• They release carbon dioxide into the atmosphere

• They create new plants

• They produce oxygen

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Why is it important to control the amount of CO2 in the air?

• To increase plant growth

• To prevent global warming

• To produce more fossil fuels

• To reduce rainfall

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NGSS.MS-ESS3-5