Object: A warning device, like a siren or buzzer.

(Begin with your warning device.) What was that, boys and girls? How many of you have heard something like that before? (Let them answer.) Do you know why we use a siren? (Let them answer.) That's right, we want to warn people to get out of the way, to tell them someone is coming who needs to get somewhere in a hurry, and that they want everyone else to get out of the way until they get there. Ambulances use them, fire departments use them, and sometimes the police use them. A siren is a very important thing, and it keeps us from having big wrecks and hurting other people. Of course, you must listen to the warning and pull over if you are driving. A warning is not any good if you don't pay attention to it. Some children do not pay attentio…