Refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.
A video discussing how and why refraction works. Video courtesy of Derek Owens.
Reviews how refraction occurs, how it changes light, and how it depends on the medium.
Learn how some vision problems can be corrected by surgery performed with lasers.
These flashcards are here to help you better understand middle school physical science.