Wikimedia
Wikipedia: The Doppler Effect
This Wikipedia article on the Doppler effect provides an explanation on what it is, information on the first analyzation, and its use in the field of astronomy and radar detection.
Exploratorium
Exploratorium: The Doppler Effect
Visit this page to see an animation demonstrating the Doppler Effect. How do sound waves and electromagnetic waves behave similarly with this effect?
Physics Classroom
The Physics Classroom: The Doppler Effect
At this tutorial, a happy bug in the center of a circular water puddle is used to describe the Doppler effect.
Texas Education Agency
Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms
By the end of this section, you will be able to define Doppler effect, Doppler shift, and sonic boom; calculate the frequency of a sound heard by someone observing Doppler shift; and describe the sounds produced by objects moving faster...
Khan Academy
Khan Academy: Doppler Effect Review
Review key terms and skills for the Doppler effect, including how to interpret wavefront diagrams.
CK-12 Foundation
Ck 12: Physical Science: Doppler Effect
[Free Registration/Login may be required to access all resource tools.] Discusses what the Doppler Effect is and how it occurs.
Khan Academy
Khan Academy: Doppler Effect in Living Tissue
Read a passage about the doppler effect in living tissue and answer the follow-up questions.
Exploratorium
Exploratorium: Science Snacks: Doppler Effect
Learn about how the Doppler effect explains the change in pitch as a sound source moves in relation to you with this activity. This activity has the students making their own Doppler ball.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Doppler Ducks
[Free Registration/Login Required] Why do ducks make a 'V' shape in the water when they swim? Explore the doppler effect using this interactive simulation.
Utah State University
Uen: Doppler Effect
Students will see and hear demonstrations of the Doppler Effect and then make an advertisement for a rock and roll band called "The Doppler Effect".
Georgia State University
Georgia State University: Hyper Physics: Doppler Effect
This hypertext physics course page illustrates and explains the Doppler effect. Users perform practice calculations for frequency shifts using the Doppler equation.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Doppler Effect Model
A simulation of the Doppler Effect, where a change in wave frequency can be observed from the reference frame of the wave source, an observer, or the medium.
University of St. Andrews (UK)
University of St. Andrews: Christian Doppler Biography
This site provides a complete biography of Christian Doppler (1803-1853 CE), founder of the Doppler principle of sound waves. Includes quotes from Doppler and those who knew him, as well as an outline of his scientific achievements.
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.
Sophia Learning
Sophia: Doppler Effect: Lesson 2
This lesson will describe how the doppler effect is created by moving sound waves. It is 2 of 4 in the series titled "Doppler Effect."
Sophia Learning
Sophia: Doppler Effect: Lesson 3
This lesson will describe how the doppler effect is created by moving sound waves. It is 3 of 4 in the series titled "Doppler Effect."
Sophia Learning
Sophia: Doppler Effect: Lesson 1
This lesson will describe how the doppler effect is created by moving sound waves. It is 1 of 4 in the series titled "Doppler Effect."
NOAA
Noaa: Nssl: Doppler Radar
Discusses doppler and nexrad radar systems and how they work. Explains the doppler effect. Describes some of the accomplishments of doppler radar and the radar signatures used to identify specific storm features like tornadoes.
National Earth Science Teachers Association
Windows to the Universe: Christian Doppler
A biographical sketch of Christian Doppler (1803-1853), the Austrian mathematician whose study on the dependence of pitch upon the relative speed of source and observer resulted in the Doppler effect.
NASA
Nasa: The Space Place: How Old Do I Look?
Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This site also has a game which involves determining the ages of objects.
TeachEngineering
Teach Engineering: Beating the Motion Sensor
Lighting is responsible for nearly one-third of the electricity use in buildings. One of the best ways to conserve energy is to make sure the lights are turned off when no one is in a room. This process can be automated using motion...
![Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/120528-27b1e0832d6ded7211396a70c5d6c972.jpg?1661407624 "Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson Plan")
PBS
Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf]
Investigate how astronomers detect movements of stars by studying the Doppler effect on the star's light spectrum. Construct a model that illustrates this concept underlying red shift.
PBS
Pbs: Nova Online: Moving Targets
Colorful PBS site explores the Doppler Effect and the reading of absorption lines.
Bill Nye
Bill Nye: My, How Time Flies
In this tutorial, Bill Nye explains how you can use a piece of string and a noisemaker to demonstrate the doppler effect.