Review: Sound

The part of the ear that is visible

The strings on a violin that vibrate are called

A vibrating object possess ______energy

Part of the ear that you should not stick any objects in

Speed of sound in water at zero degrees celcius

Repeating disturbances that transfer energy in a medium

To produce sound an object must be

Refraction and ______both involve bending of waves

The purpose of the middle ear is to

The speed of sound in water depends on the

When light bounces off a surface it is called

Object made to vibrate by absorbing energy at its natural frequency

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

A _____ is what a wave needs to travel through

Sound waves are _______waves that travel through matter

Sound travels in a ________wave

Unit of sound intensity

The energy that a wave carries is measured by its

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

When light travels from air to water it bends towards

A change in wave frequency

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

Using the reflection of underwater sound waves is called

Sound waves cannot travel through this

A sound intensity above _____dB may cause permanent hearing loss

Sound produced by musical instruments is amplified by

The angle of incidence is equal to the angle of reflection

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

When light travels from water to air it bends away from

Bats use this to navigate and find food

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

This vibrates and sends sound waves to the middle ear