Object: Some water scooped after dishwashing and some clear water from the faucet

Good morning, boys and girls. I brought some water with me this morning. Actually, I have two kinds of water I want to show you. Then I want you to tell me which one you would like to drink. The first one comes in this jar. (Show them the dishwater.) I got this out of my sink after I washed some dishes. It looks about the same as the water looked after I took my bath. I have also seen this kind of water after washing clothes, or my car. It seems a little dirty, but it is wet. I can pour it, splash in it, and make mud pies with it. How many of you would like to have a drink of this water? (Let them vote.)

Now I have another jar of water. (Show them the clear water.) I drew it out of the faucet this morning. …