Exploring Greenhouse Gases

What is the greenhouse effect?

• A cooling of the Earth due to certain gases

• A warming of the Earth due to certain gases

• A natural disaster caused by gases

• A phenomenon unrelated to the atmosphere

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Which gases are considered greenhouse gases?

• Argon and neon

• Oxygen and nitrogen

• Carbon dioxide, nitrous oxide, and methane

• Hydrogen and helium

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How does a real greenhouse trap heat?

• By absorbing sunlight and releasing it

• By blocking sunlight from entering

• By trapping hot air inside

• By reflecting sunlight back into space

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What happens to the heat absorbed by the Earth's surface?

• It is completely absorbed and stays there

• It is sent back into the atmosphere as infrared radiation

• It is converted into visible light

• It is reflected back into space

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What is the potential consequence of a stronger greenhouse effect?

• The Earth could become more humid

• The Earth could cool down

• The Earth could drastically warm up

• No significant change in temperature

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What has been the rise in Earth's average surface temperature in the last 100 years?

• Half a degree Celsius

• One degree Celsius

• Two degrees Celsius

• Three-quarters of a degree Celsius

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How might global warming affect sea levels?

• Sea levels could rise and flood coastlines

• Sea levels could remain the same

• Sea levels could decrease

• Sea levels could fluctuate randomly

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What are some potential changes in weather patterns due to global warming?

• Increase in the number and severity of floods, droughts, and storms

• Decrease in storms and floods

• More predictable weather patterns

• No change in weather patterns

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What is the main cause of global warming according to scientists?

• Natural fluctuations in the Earth's temperature

• Changes in the Earth's orbit

• Volcanic activity

• Skyrocketing levels of greenhouse gases

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How does deforestation contribute to global warming?

• By increasing the number of plants

• By reducing the number of plants that absorb carbon dioxide

• By increasing oxygen levels

• By cooling the Earth's surface

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