This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.

This customizable digital textbook covers topics related to third-grade science. It is Next Generation Science Standards (NGSS) aligned.

Activity 3 investigates Why is lightning so much bigger that a spark from the Van de Graff generator? In Activity 3 of this module, students investigate factors that affect the amount of potential energy that is stored.

This lesson helps students to understand the difference between magenets and electromagnets. They will also create an electromagnet.

This site from Cornell University provides a very short, very telling comparison of matter and charge. This is a good site to check out on the subject, with a chart diagram to help with further information.

The Discovery Channel provides numerous lesson plans dealing with the physical sciences. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.

This site outlines a lab dealing with Alternating Current Series Circuit. It includes graphs and formulas, and a list of questions associated with the lab.