DoodleScience
Refraction and Refractive Index
This video covers refraction and the refractive index, which is based on density. It also explains why the angle of refraction is different than the angle of incidence and how this knowledge is helpful when it comes to lenses.
DoodleScience
Refraction and Diffraction
Holding a conversation underwater has its challenges. Sound and light waves can travel in different mediums, but it affects their waves. The video explains the process of refraction and diffraction and how it relates to energy waves.
TED-Ed
How Do Glasses Help Us See?
How do glasses help us see? Glasses correct refractive errors. A simple answer for a complex process that is detailed in a short video.
Steve Spangler Science
Disappearing Money - Sick Science! #049
Bring a little magic into the classroom. Fill a cup with water, place a plate underneath it, and watch a coin disappear. This is a great way to kick off a discussion involving the behavior of light and the concepts of reflection and...
Curated OER
Refraction
Refraction is the bending of light, changing its path. This phenomenon is caused by a change in the speed of the light waves. This video provides visual demonstrations of refraction through various media. It concludes by mentioning how...
Curated OER
Disappearing Money
Bring a little magic into the classroom. Fill a cup with water, place a plate underneath it, and watch a coin disappear. This is a great way to kick off a discussion involving the behavior of light and the concepts of reflection and...
Curated OER
Physics 11.2.1a - Refraction
All of the classic means of revealing refraction are employed in this interactive whiteboard presentation: a straw in a cup of water and light rays traveling through a piece of glass. On the drawing of light passing through glass, Derek...
Curated OER
Physics 11.2.3a - Snell's Law
Snell measured the angles of refraction through water and developed a formula for calculating a refraction. In this educational video clip, the teacher explains how it came about. It is most applicable to your high school physics class.
Curated OER
Physics - Spherical and Parabolic Mirrors
Intended for learners with a solid understanding of algebra, physics, and scientific language, this clip describes the differences and functions of spherical and parabolic mirrors. This clip is not so much about telescopes but about...
Massachusetts Institute of Technology
Mit: Science Out Loud: Creating Invisibility Cloaks
It's not just movie magic - invisibility cloaks could be feasible, just by manipulating the crazy ways that light bounces, bends, and mixes! Prashanth and Maria take you behind the physics of light and how an invisible cloak could...
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...
Crash Course
Crash Course Physics #38: Geometric Optics
This video episode of Crash Course Physics focuses on LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. They all come from different places, but they're the very same thing: light! It's what makes it...
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: Waves and Optics: Snell's Law Example 2
An exploration of Snell's Law using the example of a beam of light being refracted through a pool of water. [11:25]
Khan Academy
Khan Academy: Waves and Optics: Refraction in Water
Discover waves and optics by learning about refraction in water. [4:25]
Khan Academy
Khan Academy: Waves and Optics: Refraction and Snell's Law
A video lecture discussing refraction and Snell's Law. Learn about the bending of a light's path as it travels through different mediums. Understand what causes refraction and how to calculate the angle of refraction. [14:23]
Bozeman Science
Bozeman Science: Physics: Refraction of Light
In this video, Paul Andersen explains how light can be refracted, or bent, as it moves from one medium to another. The amount of refraction is determined by the angle of incidence and the index of refraction. Snell's Law can be used to...
BBC
Bbc Teach: Refraction of Light
An explanation of refraction including a practical demonstration of how Pyrex seems to disappear in vegetable oil.
Khan Academy
Khan Academy: Thin Lens Approximation
In this video [2:32] we'll explore what happens to light rays when they pass through a lens.
Khan Academy
Khan Academy: Refraction and Snell's Law
This article from Khan Academy provides information about refraction and Snell's Law. This information is intended for high school physics.
Khan Academy
Khan Academy: Snell's Law Example 2
A video showing how to do a Snell's Law Example 2. [11:25]
Khan Academy
Khan Academy: Snell's Law Example 1
A video showing how to use and solve a Snell's Law problem. [10:44]
Khan Academy
Khan Academy: Snell's Law Example 2
This study resource from Khan Academy for the MCAT explores the topic of "Snell's Law" as it pertains to physical processes.