Duplicate of Review: Sound

A change in wave frequency

Refraction and ______both involve bending of waves

Sound waves are _______waves that travel through matter

The speed of sound in water depends on the

A wave will travel only as long as it has _______ to carry

Sound produced by musical instruments is amplified by

Unit of sound intensity

When the crest of one wave passes through the trough of another wave, ________takes place.

A vibrating object possess ______energy

As the amplitude of a sound increases, the loudness ________.

A _____ is what a wave needs to travel through

This vibrates and sends sound waves to the middle ear

When an object moves faster than the speed of sound it creates a

To produce sound an object must be

A sound intensity above _____dB may cause permanent hearing loss

The purpose of the middle ear is to

Repeating disturbances that transfer energy in a medium

The angle of incidence is equal to the angle of reflection

Using the reflection of underwater sound waves is called

Sound waves cannot travel through this

The part of the ear that is visible

Object made to vibrate by absorbing energy at its natural frequency

Process of two or more waves overlapping to form a new wave

Bats use this to navigate and find food

Sound travels in a ________wave

The energy that a wave carries is measured by its