Intermediate readers explore electricity.

Learn how to safely create electronic circuits using conductive and insulating doughs. Readers will learn basic circuitry skills, which will be useful in pursui

"This innovative guide offers students hands-on learning opportunities with electro-magnetism and electronics. Students will see home-made microwaves, sparks, a

A collection of engaging essays that discusses odd and unusual topics in optics

Shortlisted for the Edgar Award for Best Mystery “Mystery lovers will be satisfied by the plot and adults will love the curriculum and social awareness tie-in