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The Gas Effect, Part 1 Caring for Earth

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The Gas Effect, Part 1
Reading Level

	edHelper's suggested reading level:	grades 7 to 9
	Flesch-Kincaid grade level:	8.31

Vocabulary

	challenging words:		heat-trapping, nitrous, nonrenewable, burning, remainder, production, agriculture, radiation, colorless, ultraviolet, northeastern, ozone, atmosphere, phenomenon, methane, century
	content words:		New Jersey, United States, Both CO2, Industrial Revolution, In The Gas Effect

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The Gas Effect, Part 1 By Trista L. Pollard

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¹     Imagine a warm winter day in New Jersey.... Wait a minute, a warm winter day in New Jersey? That sounds impossible! You cannot have a warm winter day in the northeastern United States. That is just like having snow in southern California. Well, with global warming our seasons on Earth may never be the same again! Global warming is the observed rise of the Earth's average temperature over time. Most experts agree it is due to the production of greenhouse gases. Greenhouse gases, which occur naturally in the Earth's atmosphere, trap the sun's heat to warm the Earth.
 
²     Carbon dioxide (CO₂), methane (CH₄), nitrous oxide (N₂O), ozone (O₃), and water vapor (H₂O) are the main greenhouse gases in our atmosphere. In fact, greenhouse gases play an important role in making the Earth's environment just right for supporting life. These greenhouse gases act as a blanket that helps to trap heat from the sun in the Earth's atmosphere. These gases help to regulate the temperature on Earth, keeping heat from quickly escaping the atmosphere at night and moderating seasonal temperature changes. Without greenhouse gases in our atmosphere, scientists predict that the average temperature on Earth would drop by more than 50 degrees F! Ozone plays another important role in helping to sustain life on Earth. Ozone is a form of oxygen that is found in the Earth's atmosphere about 20 kilometers (km) above the Earth's surface. The ozone layer helps to absorb the ultraviolet radiation (UV) from the sun. The sun's UV radiation can damage skin and other living cells. Greenhouse gases are vitally important to life on Earth; however, human activity has begun to upset the delicate balance of these naturally occurring gases.

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