What keeps things colder: plastic wrap or aluminum foil?

Answer

Aluminum foil keeps food colder than plastic wrap when food is removed from the refrigerator or freezer. In both cases, food must be wrapped tightly with no holes. Aluminum foil is also better for keeping in oxygen and moisture.

Aluminum foil and plastic wrap both have their advantages and disadvantages for wrapping up food. While aluminum foil tends to keep food colder, it is not the best option for acidic foods like berries and tomatoes. However, if these acidic foods are wrapped in plastic wrap first, then aluminum foil around the plastic wrap is the best protection. Plastic wrap is best for produce, sandwiches and acidic foods.

Q&A Related to "What keeps things colder: plastic wrap or aluminum..."
If the object is warm to begin with, aluminium foil, as it is a metal and so will conduct the heat out into the environment. (Metals feel cold because they are good conductors and
http://wiki.answers.com/Q/What_keeps_things_colder...
you could get a growing medium used for plant. all you would have to do is put it in a petri dish then dip your fingers on the top. you will see the bacteria grow. record observations
http://www.helpfulbox.com/ans/others/1571343
aluminum foil
http://wiki.answers.com/Q/Which_keeps_things_colde...
Aluminium foil or plastic wrap insulate the heat of the wrapped up material.
http://wiki.answers.com/Q/What_is_in_aluminum_foil...
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