Object: Some ear muffs, cotton, ear plugs.

Good morning, boys and girls. Have your parents ever accused you of being deaf? I mean, does your mother or dad ever say something to you and you pretend not to hear what they have to say? [Let them answer.] I brought along a couple of things to show you how you can keep from hearing what you don’t want to hear. I suppose the least effective way is to wear ear muffs. [Put a pair of ear muffs over your ears.] When you have these on and they fit well it keeps some of the sound out. Whatever someone says is harder to hear with ear muffs on than it is without them. But a lot of sound still gets in, and if you want to keep all the sound out you have to try something else. The second thing I have is some cotton. That’s better than ear muffs. When you h…