Curated OER
STEMbite: Diffraction
This psychedelic session of STEMbite introduces the concept of diffraction to your upper elementary science class. The teacher in the video uses a compact disc to show the rainbow results of the bending of light and then dons a pair of...
Curated OER
Red Shift: Measuring Distance in Space
Learn about gamma rays and red shift, what they are, what they mean, and how scientists use them to measure distances between objects in space. This clip explains how important red shifted gamma rays are to science and how illusive they...