Question

Many changes occur due to heat as it transfers from the body of higher temperature to
the body at lower temperature. Identify the change that does NOT occur due to heat
transfer.
a. Change in state of an object
b. Chemical change in an object
c. Motion in an object
d. Expansion or contraction of an object

Answer 1

Answer:

solid only

In conduction, the molecules vibrate and hit each other to transfer the heat energy between them. The molecules need not to travel from one end to other. Therefore, it is only possible in solids in which the molecules do not move but vibrate on heating.

Answer 2

Answer:

The answer is C. Motion in an object