Article
Open Curriculum

Open Curriculum: Relativity and Magnetism

For Students 9th - 10th
Understand and learn about the properties of space and time and the concept of relativity.
Article
Open Curriculum

Open Curriculum: Electromagnetism

For Students 9th - 10th
This article helps explain the concept of electromagnetism as well as magnetic fields and the properties of the speed of light.
Article
Khan Academy

Khan Academy: Light: Electromagnetic Waves, Electromagnetic Spectrum and Photons

For Students 9th - 10th
This article discusses the properties of electromagnetic radiation and photons.