Every time you purchase something from the store, it goes into a bag, but what happens to the bag? This lesson encourages your learners to think about what happens to those plastic and paper bags and their effect on the environment. Use...

If Earth is modeled by a grapefruit, what planet could be represented by a golf ball? This activity uses everyday and not-so-everyday objects to create a model of the Solar System.

By using the Internet, hands-on activities, video, and cooperative learning, pupils look into the conditions in which light casts shadows on objects. The lesson includes fabulous hands-on activities, art projects, worksheets, and reource...