Georgia Department of Education
Ga Virtual Learning: Physical Science: Light and Optics
Students will investigate the properties of light waves. They will learn about the different types of electromagnetic waves and mechanical waves, and investigate the phenomena of reflection, refraction, interference, and diffraction.
Physics Classroom
The Physics Classroom: Light Waves and Color
The behavior of light waves is introduced and discussed. Also, polarization, color, diffraction, and interference are introduced and discussed thoroughly as supporting evidence of the wave nature of light.
TeachEngineering
Teach Engineering: Waves and Wave Properties
Young scholars learn about the types of waves and how they change direction, as well as basic wave properties such as wavelength, frequency, amplitude and speed. During the presentation of lecture information on wave characteristics and...
University of Chicago
Telescopes at Yerkes Observatory / Virtual Tour
This site describes the difference between reflective and refractive telescopes and includes a virtual tour of Yerkes Observatory which houses the largest refracting telescope in the world.
Other
Propagation of Light Using Geometry
A discussion of Christian Huygens' contribution to wave optics, and particularly to our understanding of the reflection and refraction of light. Excellent diagrams and a geometric proof on why the law of reflection is mathematically...
Exploratorium
Exploratorium: Critical Angle
Students can see light reflected and refracted in this demonstration. They will also discover the total internal reflection of light.
TeachEngineering
Teach Engineering: Needing Illumination: Investigating Light
This is the first lesson of this unit to introduce light. For this lesson, young scholars learn the five words that describe how light interacts with objects: "transparent," "translucent," "opaque," "reflection" and "refraction."
Math Science Nucleus
Math/science Nucleus: Light Magic
This animation discusses light and the properties of light in a storybook format. The animations cover the colors of the rainbow (ROYGBIV) along with prisms, light waves, reflection, and refraction.
TeachEngineering
Teach Engineering: Light Scavengers
In this activity, students examine various materials and investigate how they interact with light. Students use five new vocabulary words (translucent, transparent, opaque, reflection and refraction) to describe how light interacts with...
TeachEngineering
Teach Engineering: The Energy of Light
In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Diamond Cut
[Free Registration/Login Required] A simulation investigating why a diamond shines by looking at refraction, reflection, and total internal reflection.
Georgia Department of Education
Ga Virtual Learning: Geometric Optics
This interactive unit will help students to understand the basics of geometric optics. Learn what happens when light strikes the boundary between two media as well as the difference between a real and virtual image? Also explore the law...
CK-12 Foundation
Ck 12: Physical Science: Refraction
[Free Registration/Login may be required to access all resource tools.] 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.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Rainbow Formation
Understand the physics behind Roy G. Biv, and how rainbows are formed by drawing upon our understanding of refraction, internal reflection, and dispersion.
Cosmo Learning
Cosmo Learning: Applied Science and Technology 210: Electrical Engineering
A collection of video lectures from a course that explores the application of electrical engineering topics. Webpage includes twenty-eight lectures from a professor at the University of California, Berkeley. Lectures vary in length and...
University of Chicago
University of Chicago: Reflector and Refractor
From the Yerkes Observatory Virtual Tour web site. Compares and contrasts reflecting and refracting telescopes. A link from the page leads to a second page which explains why most modern research telescopes are reflecting telescopes.
Wikimedia
Wikipedia: Refracting Telescope
Wikipedia provides detailed information on refracting telescopes, including an image, technical difficulties, and a hyperlinked list to info on notable refracting telescopes.
PBS
Pbs Learning Media: The Beginnings of the Telescope
This animated essay from the NOVA Web site examines the design of Galileo's refracting telescope and Sir Isaac Newton's reflecting telescope.
Physics Classroom
The Physics Classroom: Wavelike Behaviors of Light
How light waves demonstrate their wave nature by reflection, refraction, and diffraction.
TeachEngineering
Teach Engineering: When Silicon Talks
In this activity, students tackle this aspect of engineering as they solve problems for precise angles and speeds, and predict data output when samples are altered.
Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: The Critical Angle
Illustrated examples and interactive practice problems that introduce students to the concept of the critical angle, the angle of incidence that provides an angle of refraction of 90-degrees.
Georgia State University
Georgia State University: Hyper Physics: Total Internal Reflection
This physics department site provides a definition and explanation of the phenomenon of total internal reflection. Includes a diagram and an equation for calculating the critical angle for light approaching a surface.
BBC
Bbc: Gcse Bitesize: Why Do Scientists Think That Light and Sound Are Waves?
Light travels as transverse waves and can travel through a vacuum. Sound travels as longitudinal waves and needs to travel through a solid, liquid or gas. Read about the properties of light and of sound, and learn the differences between...
Physics Classroom
The Physics Classroom: Light Waves and Color: Polarization
Through illustrated practice problems and video clips, students learn about polarization of light.