Curated OER
Infrared Telescope
Most of the twenty slides in this presentation include photographs or diagrams, making it an eye-catching way to teach about infrared telescopes. The pros and cons of using infrared light to study outer regions of space are explained....
Curated OER
What Wavelength Was That?
A combination of informative text, photos, and graphics comprise this sharp show on electromagnetic radiation. Some slides mention hands-on activities for demonstrating concepts, so if you want to include them you will need to figure out...