You’ve been seated, they’ve given you water and bread, and you decide — because the place is a bit grimy or too expensive, or nothing on its menu is appealing — that you want to leave.

Their observations rewrote the history of water on Mars.

Then help your son fill the water bowl as well.

Let's go out in the back yard and fill the bottle with water and see if you can discover a way to carry it without dropping it.

I have a friend that used to work in a grocery store produce section that told me grocery stores spray the veggies frequently to increase the amount of water and thus weight. This is an excellent tip.