Have you ever asked yourself questions such as:
- Why do sirens sound weird when ambulances or fire trucks drive by?
- What causes sonic booms?
If you participate in this site's activities then you just might be able to answer these and other similar questions.
The intent of this site is not to directly explain what the Doppler Effect is--you can look that up in an encyclopedia--but instead to have you provide your own explanation of the Doppler Effect as a result of interacting with a series of digital movies, Flash movies, Shockwave movies, Java applets, sound files, and images.
There are "forward" and "back" buttons at the top of each page to help you navigate through the site. You can also jump straight to paticular sections of the site by using the Navigation Bar at the top of the page.
To fully utilize all that this site has to offer, your browser will need to have several plug-ins installed. If you don't have these plug-ins they can be downloaded by clicking on the following links:
