0
Heat is retained in a Styrofoam cup bu stacking at least 2 and place a lid. Because Styrofoam is well insulated, it retains the heat, and by added a minimum of 2 cups, it increases the amount of insulation. It is also important to note, that some heat will still be lost, and you will be able to tell if you can feel the heat through the outer cup.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoKeep the top of the thermos closed, heat will keep bouncing back and forth within the container.
Thermos flasks keep things hot or cold by being a poor conductor of heat to the outside. They are built by having a double layer of stainless steel with trapped air in between. The trapped air is a poor conductor of heat. We do the same when we put on a jacket, we keep trapped air near our body.
Wiki User
∙ 14y agoIt depends on a lot of factors, like how hot the drink is, how much of the drink is there, how thick the styrofoam is, etc.
Wiki User
∙ 12y agoIt absorbs it. It's like the pink cotton stuff you find in your attic or basement.
Wiki User
∙ 13y agoThey trap heat with their air tight seals that air can't get through, so it keeps the cold air out and the warm air in.
Add your answer:
Earn +20 pts
Why sides of thermos bottle are silvered?
Silver is a great heat and light reflector. That means if you store cold water in a thermos, the heat from outside cannot get into the thermos easily because the heat is reflected by the silver color of the thermos.
What is the Functions of thermos flask with diagram?
The primary function of a thermos flask is to keep liquids hot or cold. There is an outer protective layer with a hollow area inside before the actual area where the liquid is stored. Heat or cold gets trapped in the hollow area and that is what keeps a liquid hot or cold.
Thermos bottles are used to keep liquid what?
Thermos bottles are generally used to keep liquid from changing temperature for a longer period of time. Usually, one pours hot liquid into the bottle, and it will remain warm for longer, but they are also effective at keeping cold liquid cool.
What does silver layer of an insulated bottle does this to radiated heat?
fddf
How does heat transfer by radiation conduction and convection?
a thermos limits heat transfer through the walls of the thermos. that lets the fluid inside the thermos keeps its temperature nearly constant for a long period of time (whether the temperature is hot or cold).
What is the job of a thermos?
To keep hot liquids hot and cold liquids cold by minimizing heat transfer between the inside of the thermos with the outside.
Where does the word thermos come from?
Thermos is from the Greek word 'thermos' meaning 'heat'.
Things used to keep heat in or cold out?
insulation blankets thermos flasks double glazing
What does therm mean in Greek?
thermostat, thermometer, thermos, hypothermia
Why sides of thermos bottle are silvered?
Silver is a great heat and light reflector. That means if you store cold water in a thermos, the heat from outside cannot get into the thermos easily because the heat is reflected by the silver color of the thermos.
In terms of molecules moving how a does a thermos bottle keep hot liquids hot and colds liquids cold?
If you look inside of a thermos you will see metal. This absorbs the heat or the cold and keeps it that way for as long as the contents are in the thermos.
Vacuum is mantained in thermos flask?
The vacuum reduce heat loss by conduction and convection.
This is having to do with heat?
Thermos
What is a good slogan for a thermos called heat saver?
Save the heat in heat saver the only thermos that saves all the heat put into it Save heat with heat saver
How do thermos work?
A thermos works with principle of Physics that vacuum is a pure insulator of heat. Thermos is made of two containers separated by a vacuum space which acts as an insulator of heat. Also the surface of thermos will be glassy which in turn helps in reduction of heat loss.
Can a thermos or glass cup keep liquids hotter longer?
This will depend upon the Thermos, but in general a thermos will keep hot liquids hotter for longer. This is because the Thermos has stronger insulating properties.
Do thermos cup or styrofoam cup keep water hotter?
thermos cup
