The Greenhouse Effect
Explore the science behind the greenhouse effect, its causes, and its impact on Earth's climate in this Grade 9 science worksheet.
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The Greenhouse Effect
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Date:
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a major greenhouse gas?
Carbon dioxide
Methane
Nitrogen
Water vapor
2. The greenhouse effect is a natural process that:
Causes global warming.
Keeps Earth warm enough to support life.
Depletes the ozone layer.
Leads to acid rain.
1. Human activities have significantly increased the concentration of greenhouse gases in the atmosphere.
True
False
2. The greenhouse effect is solely a negative phenomenon for Earth's climate.
True
False
1. The process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere is called the .
2. is the most abundant greenhouse gas, though its contribution to the enhanced greenhouse effect is mainly due to human activities.
3. The primary source of human-caused carbon dioxide emissions is the burning of .
1. Briefly explain how the greenhouse effect works. (Refer to the diagram below.)
2. List two potential consequences of an enhanced greenhouse effect on Earth's climate.
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