Use this lesson to see how animals can have very interesting relationships. Some help each other, some benefit from others, and some hurt others. Young scientists are sure to benefit from this eye-opening lesson.

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.

In this lesson, students will learn the word 'animation' and create an animated figure in a flip book.

Let's learn about the human body. Students will enjoy discovering different connective tissues in this comprehensive science lesson.

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students' understanding of the states of matter!

Mad scientists! In this lesson, your students will explore electrical circuits and engage in a hands-on activity to create them. They will identify the differences between parallel and series circuits.

This lesson will make your students realize that even though they take their heart for granted, the heart is working hard to pump blood to different parts of the body to keep them healthy and running!

Use this lesson to show your students how food travels from the mouth to the stomach. Additionally, show them how the digestive system delivers important nutrients to other parts of the body and also excretes wastes from the body.

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.