It keeps stuff cool
because it helps keep the things inside cool
you can maximise the rate of energy transfer by using materials that; -are good conductors -are painted Matt black -have the air flow around them maximised
Cotton keeps most things warm.yarn keeps things warm to
Hot things get cooler, and cold things get warmer, because they exchange heat with their surroundings. A "cool bag", whatever that is, is apparently designed in such a way as to prevent that (probably it's insulated).
any type of foam, cotton, felt, and/or tin foil are good materials for keeping things the same temperature that they started out as
people keep things in the to keep things cool
It keeps stuff cool
white
because it helps keep the things inside cool
yes
keep anoying them till they do it
you can maximise the rate of energy transfer by using materials that; -are good conductors -are painted Matt black -have the air flow around them maximised
Cotton keeps most things warm.yarn keeps things warm to
we dont.
The best way to keep something cold is to place it in a cooler that is filled with ice. You can also place things underground to keep them cool or place them in a refrigerator.
chances are they put things in a cellar or under sawdust to keep it cool