Sound Science Crossword

Sound generally travels most efficiently in liquid or solid?
Sound generally travels more efficiently in _________ materials rather than non-dense materials.
Amplitude, frequency, and length are characteristics of a ________.
String telephones work because ________ is denser than air and the string and cup focus the sound waves in one direction.
Higher frequency results in a higher musical ________.
The height of a wave is called its __________.
The movement sound creates on an object is called ___________.
True or false, you can hear sound in space?
Sound waves must have a _________ in which to travel.
_________ is another word for a musical note.
Wave ________ is measured in meters per second.
The _______ of a wave is the number of waves passing a point in a certain period of time.
In which medium does sound travel more efficiently - air or water?
Sound waves _________ up when moving from air to water, but their frequency remains constant.
As the amplitude of a sound wave increases, the sound becomes ________.
Sound cannot be heard in the absence of ___.