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Nutrition Science Fair Project

Keeping it Chill

Keeping it Chill | Science Fair Projects | STEM Projects
We're going to wrap a bottle of water in aluminum foil and plastic wrap and measure the temperature of the water over time. We'll compare the results to see which material is the best insulator.


The hypothesis is that aluminum foil will be more effective in keeping the bottle of water cold for a longer period of time.

Method & Materials

You will need to drill holes in 3 corks, fill 3 conical flasks with the same amount of ice water, insert thermometers into the corks, wrap one flask in aluminum foil, wrap another flask in plastic wrap, and leave the third flask unwrapped.
You will need 3 conical flasks, 3 corks, an electric drill with appropriate sized bits, 3 thermometers, 1 roll of aluminum foil, 1 roll of plastic wrap, 1 bottle of ice water, 1 measuring cylinder, and 1 clock.


The experiment showed that the water in the conical flask wrapped with aluminum foil remained the coldest throughout the experiment. This proves that aluminum foil is the best insulator for keeping water cold.

Why do this project?

This science project is interesting because it shows how different materials can be used to insulate and keep things cold or hot.

Also Consider

Try repeating the experiment using different wrapping materials like bubble wrap or wax paper. You can also repeat the experiment using hot water and observing the rate at which hot water cools in containers wrapped with aluminum foil and plastic wrap.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

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