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Yes, polystyrene is a good insulator and can help keep cold things cold by trapping air and reducing heat transfer. It is commonly used in cooler boxes and packaging to maintain the temperature of perishable goods.

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1y ago

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Why do the walls and doors of refrigerators and freezers contain thick slabs of polystyrene foam?

Polystyrene foam is a good insulator that helps maintain the low temperature inside the refrigerator or freezer. The thick slabs of polystyrene foam help reduce heat transfer from the outside environment, making the appliance more energy-efficient and effective at keeping the contents cold.


How does a polystyrene cup keep your drink hot or cold?

A polystyrene cup has low thermal conductivity, which helps to prevent heat transfer between the drink and the external environment. This insulation helps to maintain the temperature of the drink for a longer period of time, keeping it hot or cold.


How can you keep things cold without a fridge?

One way to keep things cold without a fridge is to use a cooler filled with ice or ice packs. The insulation in the cooler helps maintain a cold temperature for a longer period of time. Another method is to bury items in the ground, where the cooler underground temperature can help keep things cold.


Are Styrofoam cups a good insulator?

Styrofoam cups are effective insulators because they are made of expanded polystyrene, which has low thermal conductivity. This means it can help keep hot drinks hot and cold drinks cold for longer periods of time. However, they are not the most environmentally friendly option as they are not biodegradable.


Does cotton keep things cool or cold?

Cotton is a breathable fabric that helps maintain a cool and comfortable temperature by allowing air to circulate. However, it does not have the ability to actively keep things cold like an insulating material would.

Related Questions

Why is a polystyrene container used to store ice cubes?

Because polystyrene has certain thermal properties that can be used in order to store things and maintain their temperature. When you store ice cubes in polystyrene containers they won't melt and they'll keep cold because the cold they'll generate in the container won't escape, and the heat from outside won't come in.


Why do the walls and doors of refrigerators and freezers contain thick slabs of polystyrene foam?

Polystyrene foam is a good insulator that helps maintain the low temperature inside the refrigerator or freezer. The thick slabs of polystyrene foam help reduce heat transfer from the outside environment, making the appliance more energy-efficient and effective at keeping the contents cold.


What word means substances that keep warm things warm and cold things cold?

Things which keep warm things warm and cold things cold are referred to as insulators.


How does a polystyrene cup keep your drink hot or cold?

A polystyrene cup has low thermal conductivity, which helps to prevent heat transfer between the drink and the external environment. This insulation helps to maintain the temperature of the drink for a longer period of time, keeping it hot or cold.


Does a thermos keep things hot?

Yes, it can also keep things cold.


How do you keep cold things cold?

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.


What do you use thermoplastic for?

To insulate : To keep warm things warm and cold things cold


Which type of cups keep hot water hottest polystyrene plastic glass?

Polystyrene is a plastic. I think you meant "polystyrene foam", which would be correct.


Why doesn't plastic wrap keep things cold?

plastic wrap doesn't keep things cold because i don't even now?


Why are cooler boxes made of polystyrene?

Cooler boxes are often made of polystyrene because it is a good insulator, helping to maintain the internal temperature and keep items cold for longer periods. Polystyrene is also lightweight, affordable, and can be easily molded into various shapes and sizes, making it a practical choice for cooler box construction.


Can POLYSTYRENE be frozen?

Yes, polystyrene can be frozen. Freezing polystyrene can help preserve food or keep it fresh for longer periods. However, extreme temperature changes can cause polystyrene to become brittle and potentially crack.


Why do the walls and doors of fridges and freezers have polystyrene foam?

Polystyrene foam is used for its excellent insulating properties, which help to keep the interior of the fridge or freezer cold by reducing heat transfer. This insulation helps maintain the desired temperature and improve energy efficiency.