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.

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.

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.

One of the basic concepts in science is recognizing that all things can be classified as living or nonliving. In this lesson, your students will explore the characteristics of living and nonliving things with engaging hands-on activities.

We aren’t mind readers, but we can still figure out why the author wrote a text and what an author thinks about the topic! This lesson will teach your students the main purposes for writing.

Show your students the parts that work together to make a person breath! Have them compare the lungs of a healthy person, the lungs of a smoker, the lungs of a city resident, and the lungs of a miner.