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How do things stay warm?
Things stay warm by preventing the thing it's keeping warm from losing heat. Some things that keep things warm are wool, tin foil, wood, glass, plastic, and rubber. Things that keep other things warm or cool are called insulators.
Does cotton keep things cool or cold?
It keeps stuff cool
How does plastic wrap or aluminum foil keep things colder?
Aluminium foil does not conduct heat, so it will keep the coolness of the item within it's cover without drawing any heat from the outside elements.For this to be efficiant you will need to completely wrape the item in alunimium foil.Answerplastic wrap is cool witch rip dfnefAluminum foil DOES conduct heat.AnswerAluminum absolutely does conduct heat. If it did not conduct heat, your hand would not warm the soda in the can.The reason it works a little is because when you crumple foil around a can, little pockets of Air are caught in between the layers. This air is what insulates the can.This is why bubble wrap works so well to keep thing cool.
Why do the walls and doors of refrigerators and freezers contain thick slabs of polystyrene foam?
because it helps keep the things inside cool
Why is a cool bag suitable to keep hot things hot and cold things cold?
Hot things get cooler, and cold things get warmer, because they exchange heat with their surroundings. A "cool bag", whatever that is, is apparently designed in such a way as to prevent that (probably it's insulated).
How can I keep water cool?
cover it with an aluminum foil
What are good materials to keep things cool?
any type of foam, cotton, felt, and/or tin foil are good materials for keeping things the same temperature that they started out as
How does the aluminum foil keep a container cool?
Aluminum foil keeps a container cool by trapping the coolness inside and deflecting heat outside. It acts as a form of insulation.
How do things stay warm?
Things stay warm by preventing the thing it's keeping warm from losing heat. Some things that keep things warm are wool, tin foil, wood, glass, plastic, and rubber. Things that keep other things warm or cool are called insulators.
Why you are keeping things in the fridge?
people keep things in the to keep things cool
How does aluminum foil keep things cooler?
Aluminumm foil paper keeps many things warm. It keeps things warm because instead of absorbing the heat that wants to get into the material you wrapped foil paper on, the foil paper refelcts back so that the heat does not absorb into the object or material.
Does cotton keep things cool or cold?
It keeps stuff cool
What keep things cold plastic wrap or aluminum foil?
Me personally I would say that plastic wrap keeps things colder because it keeps things better contained than aluminum foil. See aluminum foil rips easily than plastic wrap. So I would say plastic wrap.
How does plastic wrap or aluminum foil keep things colder?
Aluminium foil does not conduct heat, so it will keep the coolness of the item within it's cover without drawing any heat from the outside elements.For this to be efficiant you will need to completely wrape the item in alunimium foil.Answerplastic wrap is cool witch rip dfnefAluminum foil DOES conduct heat.AnswerAluminum absolutely does conduct heat. If it did not conduct heat, your hand would not warm the soda in the can.The reason it works a little is because when you crumple foil around a can, little pockets of Air are caught in between the layers. This air is what insulates the can.This is why bubble wrap works so well to keep thing cool.
Does black or white keep things cool?
white
Why do the walls and doors of refrigerators and freezers contain thick slabs of polystyrene foam?
because it helps keep the things inside cool
Do fridges use motors to keep things cool?
yes
