Other
University of Tennessee Knoxville: Diffraction and Interference
Explains what diffraction and interference are, and what kinds of patterns are produced when light waves pass through a single slit, a double slit, or a diffraction grating. Includes three problems for students to try, with solutions...
CK-12 Foundation
Ck 12: Wave Properties
[Free Registration/Login may be required to access all resource tools.] Students investigate behaviors of waves, including interference, reflection, refraction, and diffraction.
CK-12 Foundation
Ck 12: Transmission of Sound
[Free Registration/Login may be required to access all resource tools.] Students explore how mechanical waves are transmitted., and find out what is meant by interference and intensity of sound waves.
Georgia State University
Georgia State University: Hyper Physics: Interference of Sound
Information about the interference of sound and its causes. Well-illustrated and good explanations of the concepts; part of a large hyper-textbook on various physics concepts.
Georgia State University
Georgia State University: Hyper Physics: Sound Propagation
This page and the many pages which are indexed to focus on the behaviors of sound which characterize it as a wave. Reflection, refraction, interference, diffraction and more are clearly illustrated and explained.
Georgia State University
Georgia State University: Hyper Physics: Reverberation
A tutorial from a hypertext physics course book that discusses reverberation. Illustrated.
Georgia State University
Georgia State University: Hyper Physics: Refraction of Sound
A discussion of refraction and its application to sound waves. Using analogies, graphics and real-life applications, this page and those that accompany it explain why and when sound waves bend.
Science Education Resource Center at Carleton College
Serc: Investigating Sound: Using Open Tubes to Demonstrate Beat Notes
In this interactive demonstration, students will observe while the teacher creates two sound frequencies using open tube resonators of nearly identical length. The nearness in length produces two slightly different frequencies which...
Wikimedia
Wikipedia: Wave
An in-depth encyclopedia article from Wikipedia on waves gives a definition for what a wave is. Other content in the article includes a list of examples and characteristics of waves, information about the difference between transverse...
Other
Wikibooks: Physics Study Guide
A handy resource that gives an overview of equations and definitions pertinent to an introductory, college-level physics course, with two of its three sections focusing on motion-related topics and principles.
Exploratorium
Exploratorium: Science Snacks: On the Fringe
This activity will have students exploring interference patterns by observing air trapped between two pieces of clear plastic.
Exploratorium
Exploratorium: Science Snacks: Anti Sound Spring
Get a visual of how waves travel and interact by using a spring in this activity.
Physics Classroom
The Physics Classroom: Two Point Source Interference
This lesson from the Glenbrook South High School discusses two-point source interference. It gives detail on the difference between constructive and destructive interference, what a two-point source interference is and what happens when...
Other
The Science Hobbyist: Hand Drawn Holograms
Instructions for making a scratch hologram. Includes interesting anecdotes, background information, and links to other holography sites.
New Advent
Catholic Encyclopedia: Jean Bertrand Leon Foucault
A lengthy biographical sketch from The New Advent of Jean-Bertand-Leon Foucault (1819-1868 CE) physicist and mechanician. Discusses his upbringing, scientific work, major accomplishments and published articles. Please note that "The...
Physics Classroom
The Physics Classroom: Behavior of Sound Waves: Interference and Beats
This tutorial looks at the behavior of sound waves, specifically focusing upon sound interference and beats. Learn more about it and then take a short quiz to check your understanding.
Other
S Cool Youth: Diffraction, Interference and Superposition
An interactive resource on diffraction, interference and superposition with descriptions, animations, and questions.
University of Maryland
University of Maryland: Optics Highlights: Wave Optics
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of how scientists came to believe in the wave nature of light. Includes a short biographical sketch and discusses the work of Thomas Young...
Physics Classroom
The Physics Classroom: Waves: Behavior of Waves: Interference of Waves
Students discover wave interference, the phenomenon that occurs when two waves meet while traveling along the same medium.
Physics Classroom
The Physics Classroom: Light Waves and Color: Young's Experiment
Students read a detailed description and explanation of Thomas Young's experiment which played a major role in the general acceptance of the wave theory of light.
CK-12 Foundation
Ck 12: Double Slit Interference
[Free Registration/Login may be required to access all resource tools.] Explains the terms diffraction, interference, and interference patterns. Describes the double slit experiment and how to determine the wavelength of a double slit...
CK-12 Foundation
Ck 12: Physics Simulation: Marina
[Free Registration/Login Required] Learn about the interference and diffraction patterns that result when a wave passes through one or two thin openings using this interactive simulation. A PDF worksheet and a video tutorial are also...
Pennsylvania State University
Kettering University: Vibration & Waves
A short tutorial providing general information about waves, their categories, properties and behaviors. Includes several animations and some practice questions with answers.
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...