Root, stem, flower, leaf! In this hands-on science lesson, your students will create their own plants to help them identify and remember the parts of a plant.

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.

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

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.