What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Give your students the opportunity to explore the perspectives of different characters by using the "See Think Wonder" Visible Thinking Routine from Harvard's Project Zero.

Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.