After reading about how wind turbines work to collect clean energy, groups brainstorm and design their own windmill. Within the provided financial and physical constraints, groups must build a working windmill using only the materials...

Students discover the technology of jet engines through an interactive program. They explore the history of the gas-turbine theory and follow tutorials in how to use them. They finally read about the new Air-Breathing engines.

Seventh graders progress through the Science Court: Gravity CD-ROM program. They read about and discuss how gravity was discovered. They complete review worksheets in preparation for the test.

What is mu? Emerging scientists explore the coefficient of sliding friction, or mu, and apply its concepts as they complete activities in the interesting lesson. They measure the sliding friction between soles of their own athletic shoes...