Greenhouse Gases Intro

What is the role of greenhouse gases in the atmosphere?

• They cool the Earth's surface.

• They trap heat in the atmosphere.

• They absorb sunlight and release it as cold air.

• They reflect all sunlight back into space.

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Which of the following is a greenhouse gas?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

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What is the effect of more greenhouse gases in the atmosphere?

• The Earth becomes cooler.

• The Earth becomes warmer.

• The Earth remains the same temperature.

• The Earth becomes darker.

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What is global warming?

• A decrease in Earth's temperature.

• A gradual increase in Earth's temperature.

• A sudden change in weather patterns.

• A cooling of the Earth's atmosphere.

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What is the Greenhouse Effect?

• Sunlight passes through the atmosphere and warms the Earth's surface.

• Sunlight is blocked by the atmosphere and cools the Earth's surface.

• The Earth's surface absorbs sunlight and releases it as cold air.

• Sunlight is reflected back into space without affecting the Earth's surface.

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What do greenhouse gas molecules in the atmosphere do?

• Reflect sunlight back into space

• Absorb most of the heat and send it in all directions

• Cool down the Earth's surface

• Absorb water vapor

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What is the result of greenhouse gases sending heat in all directions?

• It cools the Earth's surface

• It causes rain

• It warms the surface of the Earth

• It creates wind

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What is the Greenhouse Effect?

• The trapping of the sun's warmth in the Earth's lower atmosphere

• The cooling of the Earth's surface by reflecting sunlight

• The process of plants growing in a greenhouse

• The increase of oxygen levels in the atmosphere

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What happens when more greenhouse gases are present?

• Less heat is absorbed

• More heat is absorbed

• The Earth becomes cooler

• The Earth becomes drier

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What is the definition of Global Climate?

• The range of weather that varies from region to region

• A gradual increase in temperature of the Earth's atmosphere

• The study of weather patterns over time

• The effect of pollution on local weather

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