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.

Sink or float? This simple lesson has students guess the densities of different objects and place them into water to test their predictions.

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.

Energy is an essential part of our daily lives, but the resources that power the Earth are being threatened. In this lesson, students learn about renewable and non-renewable resources, including those that need protection.

The science of matter becomes as fun as it is educational when George gets in the mix! After watching Curious George work with his 'floppafication' pot, students will learn about matter and force.

Your students will enjoy this hands on lesson where they make simple solutions and mixtures. They will have an opportunity to predict and observe solids that dissolve in water.

Help your students' reasoning skills grow with this activity that has them make educated guesses on whether or not an item will be attracted to a magnet.

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.