Do you plan on being out of classroom soon? With this thorough sub plan, your classroom's substitute will be prepared to keep your third graders learning in your absence. It includes lessons, worksheets, and activities that cover math word problems, reading and writing skills, and more.

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.