NASA
Collecting Electromagnetic Radiation
Astronomy is literally over your head, but this lesson will explain how we study it. Young scientists make telescopes, calculate and compare the light gathering power of lenses, and simulate detection of infared radiation....
University of New South Wales (Australia)
University of New South Wales: Physclips: The Eye and Color Vision
Learn about the eye and how it processes color in this learning module.
Curated OER
Kids Health: How Eyes Work
How do we see what we see? The eye works all day from the moment you wake up to the moment you close them to go to sleep. Let's take a tour of the amazing eye! Included is a video, an article, quiz, activity and word find.