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.

Let your students spread their wings with this lesson that teaches them about the life cycle of a butterfly. A fun song will get your class moving and a variety of different worksheets will suit any class.

Introduce your students to the scientific concept of sink or float. This hands-on experiment allows them to see which objects sink and which float. The concepts taught will be solidified with the completion of worksheets.