Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...

With articles entitled, "What's Puke?" and "What is a Fart?" this digestive system lesson is sure to be a gas! Elementary anatomists do a belly dance to illustrate how food moves through the digestive system and then design a board game...

Second graders produce a budget for a party.  In this money management activity, 2nd graders create a budget for an imaginary party they will have based on a $20.00 limit.  Students observe a video clip in class discussing...