#8 on the Top Ten List of Household Items to Use in Your Science Classroom is:
Play Doh
Play Doh gets bonus points because you can easily make your own in the colors and quantities you desire, with minimal materials and effort!
After you've got it made, try out some of these ideas:
Color Mixing
Earth vs. Moon Volume Comparison
Make a Topographic Map
A Look Inside Folds and Faults
What's Inside?
Comment on this post to be entered to win a prize box containing most of the Top Ten Items. And remember, if your comment contains an additional use (not mentioned above) for Play Doh in the science classroom, you'll receive a bonus entry!