The Greenhouse Effect: Section 7

What is the greenhouse effect?

• A process where the Earth's surface cools rapidly

• A process where plants grow faster

• A process where the Sun's heat is reflected back into space

• A process where gases in Earth's atmosphere trap the Sun's heat

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How does a greenhouse stay warm inside?

• By reflecting sunlight

• By absorbing heat from the ground

• By trapping the Sun's heat with glass walls

• By using heaters

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What are greenhouse gases?

• Gases that are only found in greenhouses

• Gases that trap heat in the atmosphere

• Gases that cool the Earth's surface

• Gases that are harmful to plants

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What happens to Earth's surface during the day?

• It cools down

• It warms up in the sunlight

• It stays the same temperature

• It releases heat into the air

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How do human activities impact the greenhouse effect?

• By reducing the amount of carbon dioxide

• By decreasing the amount of sunlight

• By making the Earth cooler

• By increasing the amount of greenhouse gases

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What can help balance the greenhouse effect on Earth?

• More sunlight

• More greenhouse gases

• More plants

• More fossil fuels

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What is ocean acidification?

• The process of oceans becoming less salty

• The process of oceans absorbing more carbon dioxide and becoming more acidic

• The process of oceans warming up

• The process of oceans losing oxygen

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What is a main cause of coral bleaching?

• Warming oceans

• More fish in the ocean

• Decreased sunlight

• Increased oxygen levels

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What happens to Earth's surface at night?

• It absorbs more sunlight

• It stays the same temperature

• It cools and releases heat back into the air

• It warms up

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What is the average temperature of Earth due to the greenhouse effect?

• 72 degrees Fahrenheit

• 32 degrees Fahrenheit

• 58 degrees Fahrenheit

• 100 degrees Fahrenheit

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