Which process involves the direct transfer of heat through a solid?

Give one word for the following.

S.I. unit of heat.

Choose the right word from the following:
(heat, solute, condensation, melting, freezing, solution, sedimentation, soluble)
When we _____ the matter, the molecules present in it start moving faster.

Give one word for the following:

It is a form of energy which causes sensation of hotness and coldness.

Give one word for the following.

One effect of heat.