TRUE OR FALSE
_______1. Light travel faster that sound
_______2. Sound travels faster in air than in water
_______3. Light is reflected when it changes speed.
_______4. The source of sound is a vibrating object.
_______5. Sound travels as electromagnetic waves.
_______6. Wavelength is the distance between two crests.
_______7. Light bounces off the surface when it is refracted.
_______8. Wavelength represents the rate of vibration of an object.
_______9. Light travels from one medium to another at constant speed.
_______10. The shorter the string of a guitar the higher the pitch of the sound created.