Object: A map.

Good morning, boys and girls. How many of you have had a vacation this summer, or are going to take a vacation somewhere away from home? Do you like to visit an uncle or aunt, or go to a ballgame and stay overnight in some town a long way off? [Take out your map.] Here we are on the map, or at least here is the town that we live in, and we can see a number of other towns that some of you have visited. [Name a number of towns that are close by and some further out.]

Suppose that instead of driving there in a car you had to walk. While you are imagining that, I would also like you to think about walking there and not having any restaurants or motels to eat or sleep in on the way. The roads are hot and dusty for there is no concr…