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The greenhouse effect

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Tariq Dwekat

on 24 November 2014

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Transcript of The greenhouse effect

what is the green house effect?
If it were not for greenhouse gases trapping heat in the atmosphere, the Earth would be a very cold place. Greenhouse gases keep the Earth warm through a process called the greenhouse effect. (play video)
how does the earth warm up?
The Earth gets energy from the sun in the form of sunlight. The Earth's surface absorbs some of this energy and heats up. That's why the surface of a road can feel hot even after the sun has gone down—because it has absorbed a lot of energy from the sun. The Earth cools down by giving off a different form of energy, called infrared radiation.
What are other green house gasses?
1. methane
2. water vapor
3. carbon dioxide
Question 2
Explain how the model represents what happens in the atmosphere.
Question 3
Water vapor contributes more to the greenhouse effect than carbon dioxide. Why do you think that governments are not asking us to reduce the amount of water we are putting into the air?
Question 1
A greenhouse can be used as a model for the earth and its atmosphere.
Which part of the greenhouse represents "greenhouse gases" in the atmosphere?
A. glass
B. ground
C. inside of the greenhouse

The greenhouse effect
by Hamza Dwekat

Full transcript