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Collectively the gases in the Earth's atmosphere which trap heat are called the Greenhouse Gases (GHGs). They are prmarily:
- Water vapour (H2O)
- Carbon dioxide (CO2)
- Methane (CH4)
- Nitrous oxide (N2O)
- Ozone (O3)
- Chlorofluorocarbons (CFCs)
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How does a greenhouse gas work?
Long wave radiation emitted by the sun reflects off earth's surface and is absorbed by heat trapping gas in the atmosphere. Nitrogen and oxygen do NOT absorb infrared radiation, but CO2, CH4, and H2O DO trap heat.
What makes a greenhouse gas?
Greenhouse gases absorb infrared radiation, which means they trap heat. Nitrogen and oxygen tend to be thermodynamically inert, meaning they let the heat escape. Water vapor, methane, and carbon dioxide absorb long wave solar radiation, which helps keep the earth warm.
what is the definition of greenhouse gas?
Greenhouse gases (GHG) are any gas or types of gases that trap, absorb and emit heat.
What determines if a gas can be categorized as a greenhouse gas?
If a gas has three or more atoms, then it can vibrate and absorb the heat/light from the infrared radiation coming from the warm earth and clouds.
Which gases absorb ultraviolent radiation?
The gas which absorb ultraviolet radiation is ozone. It absorbs the harmful Uv radiations from the sun.
When the gas condenses to liquid does it absorb or give off heat?
absorb
What is one gas that trap heat and prevents it from escaping into the atmosphere?
carbondioxide [CO2] and carbondioxide [CO] are the main gasses that trap heat.
Which gas is the most efficient gas to trap heat in the atmosphere?
It is probably ammonia or methane.
What is the name of a RED gas that can absorb UV radiation?
It is ozone. It is present as the ozone layer.
What does a liquid have to absorb enough of to change to a gas?
Heat or energy.
Which property of heat is illustrated when food is cooked on a gas stove?
Burning the gas fuel heat is released.
What happens when the sun's heat warms the earth and the infrared radiation goes up into the atmosphere and is trapped by the greenhouse gases?
The greenhouse gases hold the heat. This heat warms the atmosphere around and also back down to the surface of the earth. As more fossil fuels (coal, oil and natural gas) are burnt, more greenhouse gases are emitted and the atmosphere gets warmer. This is called global warming, which is causing climate change.
