This fun and interactive lesson will teach your students the scientific method to find out if something sinks or floats with a little help from Cookie Monster.

Use this lesson to have your students learn about producers and consumers by pretending to be one.

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.