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.

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 teach your students about the characteristics of mammals and birds. Teach them about unique mammals and birds that do not have the characteristics of the average mammal and bird.