PDF chapter test TRY NOW
Hammer a nail into a tin can. Ease the nail out. Put it in again to make sure that the hole is large enough for the nail. Then, holding the nail with a pair of pliers, scissors or forceps, heat the nail over a candle, in hot water, or over the stove.
Try to put it into the hole in the can.
Solution:
You will see that, now it is to put the nail into the hole. Heat solids. The molecules in the solid , and occupy .