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Topics > Medicine & Health > Nutrition

	Project title	Keeping it chill
	Difficulty Level	Elementary school
	Project page	Click here to view this science project
Description
This science fair project was conducted to compare the effectiveness of various types of food wrappers in keeping food chilled. The science fair project was done by using aluminum foil and plastic food wrap and observing how long each type of insulation could keep a bottle of water cold.
Instructions preview
1. For this science fair project, the independent variable is the type of food wrapper used to insulate the cold water – none vs. aluminum foil vs. plastic wrap. The dependent variable is the temperature of the water in the conical flask. This is determined by measuring the temperature of the water with a thermometer. The constants (control variables) are the type and size of the conical flask, the amount of water in the flask and the room temperature. 2. The electric drill is used to make a hole in the middle of each of the 3 corks. The .....

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