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Styrofoam insulates better than a single layer of plastic. If, however, you have one of those plastic cups that have an outer and an inner "wall" with a sealed air space in between, that should work better than the Styrofoam.

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13y ago

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What keeps water hotter paper or styrofoam?

styrofoam, but warning fammable and unsafe for the environment!


What type of cup keeps water warm the longest-plastic paper styrofoam or glass and why?

Styrofoam because it has a thick layer and is a good insulator.Paper and plastic are could alternatives but Styrofoam would work better, therefore glass would be the worst one to use because it would only keep it warm for a couple of minutes.


Is styrofoam a better insulator of heat than plastic?

Styrofoam is a better insulator of heat than plastic. The plastic allows the heat in and out and the cold in and out. The Styrofoam helps keep the heat in.


Why do plastic water bottles keep water coldest for the shortest time?

because they are good conductor of heat which allows theheat to pass through the bottle and make the water warm


Does glass keep a hot drink warm longer than plastic?

No. Use Styrofoam.


What is the best cup to keep a drink hot?

Styrofoam cups will keep a hot drink warmer for a long time. Insulated cups will also keep your drink warmer longer.


Do thermos cup or styrofoam cup keep water hotter?

thermos cup


What type of cup keeps water warm the longest-plastic paper styrofoam or glass and why results?

A glass cup would keep water warm the longest because glass is a good insulator and retains heat well compared to plastic, paper, or styrofoam which are poorer insulators. This is because glass has a lower thermal conductivity compared to the other materials, so heat escapes more slowly.


Which type of cup will keep a hot drink, warm longer paper, plastic, Styrofoam or glass?

Styrofoam cups are generally the best at keeping hot drinks warm for a longer period of time. This is because Styrofoam is an excellent insulator, meaning it does not conduct heat well and therefore helps to keep the temperature of the drink constant. Paper cups and plastic cups are also decent insulators, but they are not as effective as Styrofoam. Glass cups are poor insulators and are not recommended for keeping hot drinks warm.


Can a styrofoam cup keep hot water hot?

A styrofoam cup can help to retain heat, but it is not as effective as materials like ceramic or insulated metal. Hot water in a styrofoam cup will cool down faster compared to using a better insulated material.


Is styrofoam a good insulator to keep hot water hot?

Yes, because it does not conduct heat.


Can you use styrofoam in an oven?

Depends - Great for hot water - not great for hot butter or fatty things - the plastic reaches a glass transition temperature around 220F that will allow it to soften considerably. Boiling water won't get that hot but excessively heated grease will. Not to mention that the grease has higher solvent properties on the plastic that the water. Heating up water for tea is no problem.