Insulator
Styrofoam cups because of what they are made up of
all three.
It uses insulation which reduces the amount of heat entering the container by reducing the effects of conduction.
Tinfoil and Styrofoam. Styrofoam is a good insulator for hot and cold things, like when you hold a Styrofoam cup with hot tea in it, the tea in the cup wouldn't burn you. Take a jar, and wrap it with tinfoil, shiny side OUT. Cover the cap the exact same way. After, put lots of mashed up Styrofoam cups in until the jar is three quarters full, then insert your ice cube.It works, I've tried it.
styrofoam cups keep you beverages hot or cold because they are awesome
Styrofoam is used to keep drinks cold or warm.
Usually food it packed in Styrofoam to keep it cold (or warm)
To keep cold food cold or hot food hot. Styrofoam is very good insulation.
To keep cold food cold or hot food hot. Styrofoam is very good insulation.
no it will just keep the drinks cold longer
Styrofoam is a better insulator of heat than plastic. The plastic allows the heat in and out and the cold in and out. The Styrofoam helps keep the heat in.
To keep the beer in the cooler cold
Insulator
No
If the Stainless Steel cup has no insulation the Styrofoam cup will keep it warm longer.
Layers of newspaper can act as a primitive cooler if you wrap ice in them. The more newspaper, the better, but it won't keep it from melting as long as a styrofoam or plastic cooler would.