Challenge Boxes

Find out how a vending machine knows when you’ve put in the right amount of money. Design a bubble machine. Create a “rainbow of textures. List every organism that could be living within ten feet of your home. These are just a few of the 50 fascinating projects in this book, designed to challenge the thinking skills of academically talented students.

The activities integrate language arts, science, social studies, math, art, and reference skills. Students choose the projects they find most intriguing and work on them independently or in small groups.