Introduce students to the term algorithm using the familiar story of The Three Little Pigs. In this lesson, students will develop an algorithm, or a step-by-step sequence of instructions, for building a house made out of bricks.

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.

What is recycling all about? What can and can't be recycled? What can I do to help others understand the importance of recycling? This activity helps students answer all of these questions as they learn about saving planet Earth.