Any topings that don't conduct heat, such as whipped cream. (gross...)
Most are insulated to keep them from grounding out or interference.
A thick coat,thick boots,insulated socks/underwear and a insulated hat.
To keep heat out/in and the noise down.
Ice and ice boxes (insulated boxes or cabinets in which a block of ice was set) were the norm for keeping items cold. The ice could keep for several days if the box was well insulated and well sealed.
It keeps you warmer, also cooler. When it is hot it will keep you cool, when its cold it will keep you warm It also filters their that coms through your house.
To keep the contents cold. It will keep the inside of the refrigerator colder by trapping in the cold air.
To keep food warm on the go, you can use a thermal insulated bag or container, a portable food warmer, or wrap the food in aluminum foil and place it in an insulated lunch box.
transfer heat to oil or water and keep it in insulated container
The insulated Taffeta curtain panel will work great in a bedroom and keep the temperature well-regulated.
The Nicole insulated pinch pleat drape will keep a room very dark, but will let so little light in you may need to crack it a bit.
Yes, it will keep the cold out and the heat in.
It provides you with calories and carbohydrates to use for energy, and, depending on the toppings, also proteins and vitamins.