Metalic cups keeps the water cold and it can be also used to keep the water hot .
"Frozen in Time: The Coolest Cup for Chilling Drinks"
No, paper will not keep water cold for the longest time. A metal cup will keep water the same temperature for the longest time. I know this because I did a science experiment about this but instead of cold water I used hot, which won't really make a difference. The next would be glass then paper.
Polystyrene is a plastic. I think you meant "polystyrene foam", which would be correct.
Millimetres are not an equivalent type of unit to grams unless you are measuring water.
A double-walled insulated cup made of materials like stainless steel or ceramic will generally keep water warm the longest. These cups provide better heat retention compared to single-walled cups.
This is a quetion that i need an answer for. It is for a science fair project.
A large one, - that is about 4/5 of a pint
Cold salty water will be the most dense.
An icebox is a type of refrigerator. It is a chilled box that is used to keep things cold. Ice boxes are kept cold with large blocks of ice that keep the food cold.
It drinks this kind of ocean or lake water
Cold salty water will be the most dense.
Cold salty water will be the most dense.