Third grade question - What is the best insulation to reduce melting of ice cube in a shoe box?

You need to insulate a shoe box with any material that would keep the ice cubes inside from melting.

Third grade question - What is the best insulation to reduce melting of ice cube in a shoe box?
Wrap the ice cube in tinfoil, shiny side out. That will eliminate heating from radiant (infrared) energy entirely, and slow down the melting rate substantially. The other method of heat transfer is convection, where warm objects in the environment transfer heat through direct contact. To resolve that, build a little box out of styrofoam that will tightly enclose the foil-wrapped ice cube. The styrofoam should be half an inch thick or thicker.





With these two methods your ice cube should last significantly longer.





The last option is ice itself! If the objective is simply to prevent that PARTICULAR ice cube from melting, then surrounding it with a great big block of ice will be the best protection you can get. The big outside block will slowly melt, but the inside one will stay completely frozen. By wrapping the big block in foil and styrofoam, you could improve it even more.





But I suspect using ice would be considered cheating.
Reply:Check out this page





http://www.energyquest.ca.gov/projects/i...
Reply:I'd insulate them with plastic bags of frozen blueberries.
Reply:keep the box closed and insulate it with newspaper.
Reply:AIR!
Reply:try styrofoam. insulation works by reducing contact with the outside surroundings. any substance that creates lots of space like styrofoam is a good insulator. its actually used in lots of coolers
Reply:a freezer
Reply:styrofoam, line the inside of the shoebox with it
Reply:fire



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