John F. Kennedy Center
The Kennedy Center: Balancing Mobiles
In this lesson plan, middle schoolers will apply mathematical, science, and engineering concepts to experiment with balancing levers. They will learn to classify types of levers to design and build a simplified mobile. Students will...
Center for Educational Technologies
Wheeling Jesuit University: How Are Things Divided Among Earth's Four Spheres?
See if you can classify various objects in the categories of land, water, air or living thing. This activity is interactive and you will receive a score for your performance.