Waves

• Amplitude
• Crest
• Trough
• Wavelength

• Frequency
• Amplitude
• Wavelength
• Trough

• Trough
• Crest
• Amplitude
• Wavelength

• Crest
• Trough
• Height
• Frequency

Light waves are ___________

• Transverse waves
• Longitudinal waves
• Compressional waves
• Seismic waves

Sound waves are _______________

• Transverse waves
• Longitudinal waves
• Circular waves
• Seismic waves

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Sound is caused by? 

• force
• vibrations
• instruments

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Without matter, sound waves could not travel.

• True
• False