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Question:

Making a THERMOS in science a little help?

All the teacher gives us is a cup and I also need to make a lidWhat materials could I use and put it on to keep the heat in for atleast a couple oh hours or more? I though of tin foil and that is it.

Answer:

grocery store in the paper aisle
I stay interior the Boston section and all grocery shops carry waxed papermaximum have their own keep manufacturers, happy has a waxed paper sort, Cutrite, that i've got seen everywhereand that i've got got here across Junket receintly, in basic terms vanilla and chocolate even nevertheless it does nevertheless exist
grocery store in the paper aisle
I stay interior the Boston section and all grocery shops carry waxed papermaximum have their own keep manufacturers, happy has a waxed paper sort, Cutrite, that i've got seen everywhereand that i've got got here across Junket receintly, in basic terms vanilla and chocolate even nevertheless it does nevertheless exist
Yep, aluminum foil works as a heat reflector, but also as a heat conductor, so you need to have 'dead air' space between it and the outside airTry thisAluminum foil, then 2-3 layers of paper towels (the 'fluffier' the towel the better), then Foil again, then towels then foil againDon't forget the bottom of the cupYou can fold the foil into the cup, but keep the towels out, or they may get wet and lose their insulating propertiesFor the lid, same thing, just fold it over the whole outside of the insulated cup, making sure it is a snug fitYou don't want to crush the insulation, but you don't want air to get in easily, eitherTry this with some ice cubes and cold waterIf it doesn't last long enough, add a few more layers.
grocery store in the paper aisle
I stay interior the Boston section and all grocery shops carry waxed papermaximum have their own keep manufacturers, happy has a waxed paper sort, Cutrite, that i've got seen everywhereand that i've got got here across Junket receintly, in basic terms vanilla and chocolate even nevertheless it does nevertheless exist
Yep, aluminum foil works as a heat reflector, but also as a heat conductor, so you need to have 'dead air' space between it and the outside airTry thisAluminum foil, then 2-3 layers of paper towels (the 'fluffier' the towel the better), then Foil again, then towels then foil againDon't forget the bottom of the cupYou can fold the foil into the cup, but keep the towels out, or they may get wet and lose their insulating propertiesFor the lid, same thing, just fold it over the whole outside of the insulated cup, making sure it is a snug fitYou don't want to crush the insulation, but you don't want air to get in easily, eitherTry this with some ice cubes and cold waterIf it doesn't last long enough, add a few more layers.

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