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Polystyrene is a substance that when in a solid state has a lot of holes.
These holes trap air inside them and since air is a good insulator, the polystyrene cup is a good insulator.
*Air is only a good insulator when not moving, hence why a breeze feels cold.
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Which material Is the best heat insulator?
The best insulator of heat is probably polystyrene foam or fiber glass.
Styrofoam cups are poor conductors of heat?
Polystyrene is a poor conductor of heat; it is largely used as a thermal insulator.
Is sponge a good heat insulator?
it is good heat insulator, as it has air in it. as air is a good insulator of heat, the sponge, which has lots of pockets of air also becomes a good insulator
Which cup keeps hot water the hottest polystyrene or metal?
Polystyrene (especially the expanded "Styrofoam (R)" type) is a good insulator. Metals are good conductors of heat.The insulating cup will maintain a greater heat differential than the conductor so if there is a liquid in the cup that is at a greater temperature than the surroundings, the metal cup will loose more heat than the polystyrene cup.
Is black foam a good insulator?
Polystyrene foam is a good insulator. The characteristics that make polystyrene is a good insulator stems from its composition of long polymer chains and because it encapsulates regions of gas in the form of a closed cell foam. Air and gas in general are poor conductors of hear when convection is inhibited as it is in a foam. (The form used in insulation is often a closed cell foam, but that is not the only form taken by polystyrene.)
Which material Is the best heat insulator?
The best insulator of heat is probably polystyrene foam or fiber glass.
Why is an experiment performed in a polystyrene cup and not in a glass beaker?
The polystyrene cup is a better insulator than metal, metal is a good conductor of heat and so would transfer the heat from the reaction to the air outside it, where polystyrene keeps the heat inside. This enables you to get a much more accurate reading, as less heat has escaped.
Is expanded polystyrene a thermosetting or thermoforming plastic?
Polystyrene is a very poor conductor of heat. This is why its used as an insulator in some products.
Styrofoam cups are poor conductors of heat?
Polystyrene is a poor conductor of heat; it is largely used as a thermal insulator.
Is sponge a good heat insulator?
it is good heat insulator, as it has air in it. as air is a good insulator of heat, the sponge, which has lots of pockets of air also becomes a good insulator
Which cup keeps hot water the hottest polystyrene or metal?
Polystyrene (especially the expanded "Styrofoam (R)" type) is a good insulator. Metals are good conductors of heat.The insulating cup will maintain a greater heat differential than the conductor so if there is a liquid in the cup that is at a greater temperature than the surroundings, the metal cup will loose more heat than the polystyrene cup.
What is a good insulator and why?
a good insulator of heat keeps the heat in, so you stay warm
Is black foam a good insulator?
Polystyrene foam is a good insulator. The characteristics that make polystyrene is a good insulator stems from its composition of long polymer chains and because it encapsulates regions of gas in the form of a closed cell foam. Air and gas in general are poor conductors of hear when convection is inhibited as it is in a foam. (The form used in insulation is often a closed cell foam, but that is not the only form taken by polystyrene.)
Why is insulation a good insulator?
a good insulator of heat keeps the heat in, so you stay warm
What does the term 'insulator' means?
insulator is a object that is not a good conductorSo it keeps the heat in.
Is a sponge a good insulation?
it is good heat insulator, as it has air in it. as air is a good insulator of heat, the sponge, which has lots of pockets of air also becomes a good insulator
Is wool a heat conductor or insulator?
wool is a insulator
