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.

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

Eye love science! This lesson will help your students understand the parts of the eye that work together to make us visualize the different colors, shapes, and textures of objects around us.

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.

Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.

Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.