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Putting the cup in the freezer keeps ice from melting. Those cups will slow down the melting rate, but if you've got ice at room temperature it's gonna melt eventually. Having said that, ice will melt slowest in a styrofoam cup.

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10y ago
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15y ago

Styrofoam, it is widely used as an insulator in building materials. The cups are also used in chemistry as a sort of calorimeter to keep heat in a substance when you want to measure the temperature. In comparison, plastic cups will gust retain heat and melt.

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13y ago

Assuming each container has only one layer of material, the styrofoam cup will be the better insulator.

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11y ago

The Styrofoam cup is a fine heat insulator, much better than glass.

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10y ago

a plastic cup is a better insulator.

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7y ago

For thermal insulation - styrofoam.

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12y ago

Styrofoam

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Q: Is a metal cup a better insulator or a plastic cup a better insulator?
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Related questions

Which cup keeps water cooler metal or plastic cup?

metal cup because it has insulation


Is a plastic cup a better insulator than a paper cup?

Plastic is an insulator. but most of the paper is not insulated, because the paper in general contains water, although the content is very low, but enough to pass current, but there also is a special insulation paper, that is on the special purpose. so in dry conditions, and the cup has no water, a plastic cup is a better insulator than a paper cup.


Will heat travel faster through a glass cup or a plastic cup?

It depends on the kind of plastic but mostly (I'd think) plastic is a better insulator for heat transport


Can plastic cup be replaced by glass beaker in determination of heat of solution?

yes.but plastic cup is a better good insulator than glass beaker.


Is a plastic bottle a good insulator?

Yes A2: Yes, If it's a Foam cup. Not if it's simply a solid plastic cup.


Will hot chocolate stay warmer in a metal or plastic cup?

Plastic, because metal is a conductor of heat, while plastic is not. Plastic is a better insulator, preventing the heat from escaping.


Why would a plastic cup freeze water faster?

The thin plastic cup is a poor insulator.


What is a better insulator plastic or wood?

The better insulator is plastic because wood can get wet easily and stay wet longer than plastic.


Would a plastic cup keep the water hot longer than a metal cup?

A plastic cup holds more heat because plastic can't take out heat. Glass conducts heat away.


Are plastic cups better for string telephones than metal cups?

I would say that plastic cups are better for string telephones because you cant get string through a metal cup.


What makes a paper cup a good insulator?

A paper cup is not the best insulator. A better insulated cup is the foam cup. However, it is better insulated than other materials such as a metal canteen, due the the heat capacities of the materials. Putting two paper cups to together acts as a decent insulator due to the air between the two cups. This is due the to air being a poor conductor of heat.


Is a plastic cup a good insulator or conductor?

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