_____________is a regular pattern of motion that is caused by a disturbance.

A type of wave that vibrates and sends waves of energy through a medium to our ears.

Light is a special kind of energy called_________________energy.

Any code that uses just two symbols to represent information.

_______________________materials do not allow light to pass through them.

______________material allows light rays to completely pass through without being blocked.

_______material allows some light to pass through it, but it is scattered.

Which color has the shortest wavelength?

Which has the longest wavelength?

Sound waves are a type of _________________waves.

________________depends on how fast or slow the vibration is.

Stronger vibrations cause ______________to be louder.