FREE MAPS~ This site has all kinds of map resources-- map outlines, map graphics, reading a map-- and so much more. Fore example, you'll also find resources for teaching about economics, geography, and culture. If you teach social studies, take a minute to check out this site!
The water cycle. Drip the water drop and his adventure through water. This would good for older students. 2nd or 3rd grade. This could also be tied into a social studies lesson in order to help understand what is going on as Drip travels along the water.