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Topics > Environmental Science > Global Warming

	Project title	Carbon dioxide (CO2) and global warming
	Difficulty Level	High school
	Project page	Click here to view this science project
Description
This experiment was performed to ascertain the effect of carbon dioxide on environmental temperature. Industrialization has brought about deforestation and the burning of fossil fuels on an unprecedented scale and this has increased the emission of CO2 significantly. The results of this experiment will show how the increased level of carbon dioxide in our atmosphere is contributing towards making our planet warmer.
Instructions preview
For this experiment, the independent variable is the concentration of carbon dioxide, either from air blown from our lungs or smoke from a car exhaust. The dependent variable is the temperature of the air in the tank. This is determined by measuring the temperature using an infrared thermometer. The constants (control variables) are the starting temperature of the air in the tanks, the amount of type of soil at the base of the tanks and the volume of the tanks. The three water tanks are filled with a layer of black soil about 2 cm thick. *A cover is .....

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