Which material would be most effective to wrap around a box of ice cream to prevent it from melting by acting as a thermal insulator, whether the outside environment is 30°C in summer or 3°C in winter?

Which of the following is NOT a good conductor of heat?

Which liquid is the standard choice for use in traditional glass thermometers?

A black-painted pot and a white-painted pot are placed in the sun. Which will absorb more heat and get hotter?