Visually observe sound waves produced by a moving source. Gain an understanding of the Doppler shift and recognize why the pitch of a train whistle changes as it passes and why a sonic boom occurs as planes travel at high speeds.
© 2013 ExploreLearning. All rights reserved. Gizmo and Gizmos are trademarks of ExploreLearning. Please carefully review the Terms & Conditions of Use and our Privacy Policy before using this site. Your use of the site indicates your agreement to be bound by the Terms & Conditions of Use.
All Gizmos™ require the free Shockwave and/or Flash plugins.
The Full Version of the Shockwave plug-in is strongly recommended.
Visit our system test page to check your current installation(s).
Page Top This site conforms to Level A of the WAI Guidelines. View accessibility info for this site.
ExploreLearning® is a member of
Cambium Learning® Group
