Object: A can of oil, a can of gasoline, a plastic hairbrush.

Good morning, boys and girls. Today we are going to talk about power, and about the source of power. We are going to talk about energy. These are some pretty important words. Have you heard about the energy crisis? I know that you have. We are all worried about the fact that we do not have all the energy that we would like to have. Most of all we do not have enough oil. Oil is found in the earth and men drill for it, but just when it seems that we need oil the most we find that we are running out of it and we are going to have to find other sources of energy. Do you know what we make with the oil that we find in the earth? [Let them answer.] That’s right, we make gasoline, we heat our homes, and make the fine oil that we…