Haring and Sound

Devices

100

This lets doctors hear the heart and lungs.

stethoscope

200

This converts sound waves into electrical energy

Microphone

300

This is a cone-like device that makes sound louder

megaphone

400

These can be used to block loud sounds and protect your ears.

ear plugs

500

This can help people who are deaf or partially deaf hear again.

hearing aid

Vocabulary

100

This describes the loudness of a sound.

volume

200

This is the unit that volume is measured in. 

decibel 

300

Describes how high or low a sound is

pitch

400

This is the unit that pitch is measured in

hertz

500

A sound with a high pitch would have _______ sound waves than a sound with a low pitch.

Faster

Parts of the Ear

100

The outside of the ear

pinna

200

This carries sound to the eardrum.

ear canal

300

This word means "snail".

cochlea

400

Name all three bones in the ear

hammer, anvil, stirrup

500

This carries signals to the brain

auditory nerve

Miscellaneous

100

Which animal would make a higher pitch sound, a mouse or an elephant?

mouse

200

When a jet travels faster than the speed of sound we say that is has broken the _____________. 

(2 words)

sound barrier

300

Would sound travel faster through water or air?

Water

400

Who would you expect to have better hearing, a 6 year old or a 60 year old and why?

6 year old, our ears get damaged with age

500

The speed of sound is also called this.

Mach 1