Be Smart
The Equinox Isn't What You Think It Is
Most people believe the equinox is the day with an equal amount of night and day, but they are wrong. The video explains what an equinox actually is, why day and night aren't equal on that day, and what an equilux is.
TED-Ed
Eye vs. Camera
Take a look at the human eye through a different lens with this fun instructional video. Drawing the comparison between eyes and cameras, this resource helps young biologists better understand the anatomy and function of these...
TED-Ed
The Evolution of the Human Eye
Vision is arguably the most important of the five senses, but exactly how did we come by this amazing ability? Find out with this engaging video on the 500 million year evolution of the human eye.
SciShow
Microscope: The Tube That Changed the World
An account of the history of microscopy is given through this dissertation. An ideal assignment for life science learners to view as homework, this makes a magnifying lesson for your flipped classroom.
PBS
Pbs Learning Media: Kid Vision: A Day With a Photojournalist
Did you know a photograph can tell a story? A photojournalist tells stories with his photographs. We learn about his cameras and lenses. Watch him take photos and observe as he edits them. Say cheese! Included are links to...
Bozeman Science
Bozeman Science: Physics: Ray Diagrams Lenses
In this video, Paul Andersen explains how ray diagrams for lenses can be used to determine the size and location of a refracted image. Images may be either real or virtual images. Ray diagrams for converging and diverging lenses are...
Khan Academy
Khan Academy: Waves and Optics: Concave Lenses
Demonstrates how concave lenses work. [3:06]
Khan Academy
Khan Academy: Waves and Optics: Convex Lens Examples
Convex lens seem confusing to you? This video lecture gives you some examples of ray diagrams for objects placed at different distances from a convex lens. [9:35]
Khan Academy
Khan Academy: Depth of Field
In this video [3:25] we'll explore why regions in our scenes can go 'out of focus.' The region of our scene which is in focus call depth of field.
Khan Academy
Khan Academy: Thin Lens Equation and Problem Solving
This video offers examples of using the thin lens equation.[12:56]
Next Vista for Learning
Next Vista for Learning: Binoculars
A short video investigating how to use and focus binoculars to see objects far away. [1:58]
Learn AP Physics
Learn Ap Physics: Physics B: Light and Optics
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews lights and optics including dispersion of light and the electromagnetic spectrum, reflection, refraction, mirrors, and lenses. Site contains...
Khan Academy
Khan Academy: Waves and Optics: Object Image Height and Distance Relationship
Explores the relationship between the height of an object and the height of its image through a convex lens, and relates this to the ratio of their distances from the lens. [2:22]