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, students will solve a design problem as they create a marble maze out of LEGO bricks.

Out for the day? That's no problem with this classroom packet. With this daily sub plan, you will soon be ready to have a substitute in the classroom. Your substitute teacher can keep your students learning in your absence by using these robust lessons, worksheets, and activities.