How Does the Number of Marshmallows Burned under a Container of Water Affect the Change in the Water's Temperature?

Overview

Objectives/Goals My project was to determine the effect of the number of marshmallows being burned under under a container of water to the change in the water's temperature. Methods/Materials Different numbers of marshmallows were burned. One, two, and three marshamallows were tested. Each number of marshmallows was tested five times. The change in temperature for the water was measured in degrees Celsius using a thermometer. Results In this experiment, as the number of marshamllows burned under a container of water increased, the change in the water's temperature increased.When the number of marshamallows was increased from one to two to three, the change in the water's temperature increased from 3.6 to 6.6 to 9.4 degrees Celsius. Conclusions/Discussion My conclusion is that the more marshamllows being burned under a container of water, the greater change in the water's temperature. This is due to a reaction. The more marshamllows being burned under a container of water means there are more calories being burned. The more calories in the marshmallows means there are more chemical energy. When the marshamllow is burned, its chemical energy is converted ito heat energy. This heat is what is used to raise the temperature of the water. The more heat that is produced leads to a greater temperature change.

Competition history

• CSEF 2007 Chemistry · Entry J0598

Resources

• CSEF project summary ↗

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