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Q: How does a tema keep hot things hot and cold things cold?
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Does a thermos keep things hot?

Yes, it can also keep things cold.


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).


What does a thermos do?

A thermos will generally keep either a hot item hot or a cold item cold. you can use them for things like cold drinks, soup, hot chocolate, or pretty much any liquid you want to keep the same temperature.


Does foam keep things cold?

Yes it would as insulators keep in the heat and keep it out depending on whether the item is hot or cold.


What tells you that cold things cold and hot things hot?

A thermometer


How do our clothes keep us warm?

They Keep out cold and keep in hot or keep in cold and keep out hot it depends on the weather


Can you keep hot things in refrigerators?

You can put hot things in the refrigerator. But the main job of the refrigeratoris to "refrigerate" ... take heat away from hot things and make them cold. Sothe hot thing that you put in there won't stay hot, unless it's in an insulatedcontainer. Otherwise, it'll turn into a cold thing.


How does cloth keep things hot and cold?

Cloth is a bad conductors/good insulator of heat. Bad conductors keep things warm or cold, so the answer is, because cloth is a bad conductor of heat!


What is some insight of food management?

Keep hot foods hot, and keep cold foods cold.


What is a list of materials to keep things hot or cold?

stove microwave hot pack toaster coffee maker thermos stoneware crock


Why do thermoses keep things hot or cold?

It keeps the air trapped in side and has to layers with air as insulation in the middle


What did a thermos used to be?

Long Johns for pants thermos but I dont know what the shirts are called.