Open Ed
Open Ed Sci: 8.3 Forces at a Distance
This unit launches with a slow-motion video of a speaker as it plays music. In the previous unit, students developed a model of sound. This unit allows students to investigate the cause of a speaker's vibration in addition to the effect.
Other
Fearof Physics: Videos
Looking for some more explanantion on a topic covered in physics class? This site contains videos that explore some physics concepts. Videos are broken down by topics. Some videos also give examples on how to solve problems.
University of Kentucky
University of Kentucky: Online Physics for Teachers
A set of four online courses in Physics for elementary and middle school teachers. Each course targets a different topic area - light, electricity & magnetism, temperature & heat, and force, motion, & energy.
CK-12 Foundation
Ck 12: Physical Science for Middle School
This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.