lava
The temperature of a drink does not change its innate properties. A drink will warm up though thermal conduction.
No, modelling clay is not a good insulator for a cold drink. Materials like styrofoam or insulated sleeves are better options for keeping drinks cold. Modeling clay does not have the properties needed to effectively insulate against temperature changes.
YES! YES! YES! Tervis keeps hot drinks hot and cold drinks cold!
Concrete is one of the worst insulators
yes and hot too. Insulation is a heat barrier -- it tries to prevent heat exchange between the two sides. Vacuum is the best. Then air. Metals are the worst. ====================
tin or metal
A double-walled stainless steel tumbler or a vacuum-insulated bottle are good choices for insulating cold drinks. These materials help to maintain the temperature of the drink for a longer period of time by reducing heat transfer between the drink and its surroundings.
Air is the worst sound insulator as it allows sound waves to pass through easily. Materials like foam, fiberglass, or mass-loaded vinyl are better options for soundproofing.
a glove is an insulator. It is designed to stop the cold passing through.
Definitely an electrical insulator. Glass does not conduct electricity. It can be a thermal insulator, but not a great one. You windows on a cold day are pretty cold. Hot coffee in a mug will get the mug warm.
Wood is an insulator that lightning does not like to strike
Styrofoam is an insulator. It has low thermal conductivity, meaning it helps to reduce the transfer of heat and cold.