How does sound work?
Are sound waves the same as radio waves?
What is the Doppler effect?
What do decibels measure?
What is an ultrasound?
Why do you hear an echo if you hold a paper cup near your ear?
Is there sound in space?
What is a sonic boom?
How come when I hit something metal with a hammer, it vibrates and makes a sound?
Can listening to really loud music hurt your ears or hearing?
Why do motorcycles make loud noises?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2013 BrainPOP and related companies. All rights reserved.
BrainPOP is a registered trademark of FWD Media Inc. d/b/a BrainPOP.
For the full list of trademarks referenced on this page, please see
. Your use of the site indicates your agreement to
be bound by our