Use this lesson to teach your students how the different parts of a brain are responsible for any act they do. This lesson will teach your students how a 3.5 pound organ controls a grown human being!

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.

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.