What is the direction of heat transfer?

How is heat transferred in solid materials?

What happens to a solid when heated?

What may happen to a solid when it is continuously exposed to heat?

When heat is transferred through solid it is called _____________.

One glass contains hot water. Another glass has cold water. If their contents are mixed, how will heat flow?

It is better to use spoon with a wooden handle in stirring while cooking instead of a metal one. Why?

Which of the following materials is the best conductor of heat?

Which of the following materials is a group of insulators?

This type of material reduces the heat flow or does not allow heat to pass through it.