reflected sound that comes back and is repeated

Why can't we hear sound in space?

Space has no mass / no gas/ solids/ liquids

can't take our helmet off to hear

Don't know, I've never been to space

What happens when we hear an echo?

Sound is reflected off a surface and repeated back

there must be someone yelling back to us

sounds waves are traveling really fast

Why do we see lightning before we hear the thunder?

Light travels faster than sound

What happens to our hearing if we listen to loud noises all the time?

we start to experience hearing loss

What is the function of the ridges on your outer ear?

They direct sound into your middle ear.

They prevent germs from entering your middle ear.

They prevent loud noises from damaging your inner ear.

They filter out very high and low-frequency sounds.

How is your eardrum like a real drum?

It is frequently struck by the bones in your middle ear.

Why is sound able to travel faster through a solid than a gas?

Solid molecules are packed tightly.

Gas molecules are packed tightly.

Sound does not travel faster through a solid than a gas.

When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the_________.

three small bones in the middle ear

How does increasing the amplitude of a sound wave affect the sound?

it makes the sound travel faster

it increases the wavelength of the sound

it increases the frequency of the sound

What happens in the inner ear?

Sound waves are converted into nerve impulses.

Sound waves move deeper into the ear.

What do playing a guitar, banging on a drum, and dropping a pebble in water have in common?

they all convert heat to energy

What is the importance of ear wax?

Collect dust, dirt and fight infection

IB Hearing

Authored by Charles Martinez

Science

6th - 8th Grade

NGSS covered

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54 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which travels faster: sound or light waves?

sound

light

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which comes first: lightning or thunder?

lightning

thunder

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the part of your ear you can see called?

ear drum

stirrup

cochlea

pinna

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What part of your body sends messages from your ears to your brain?

optic nerve

auditory nerve

ear canal

semi-circular canals

Tags

NGSS.MS-LS1-8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can sounds travel through liquids?

Yes

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of sound traveling through a solid?

When you hear people in another room

When you hear things underwater

When you are talking to the person next to you

Sound cannot travel through solids

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unit do we use to measure sound?

decibels

inches

pounds

centimeters

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IB Hearing

Which travels faster: sound or light waves?

Which comes first: lightning or thunder?

What is the part of your ear you can see called?

What part of your body sends messages from your ears to your brain?

Can sounds travel through liquids?

Which of the following is an example of sound traveling through a solid?

What unit do we use to measure sound?

Are volume and pitch the same thing?

Sound is caused by ______________.

What is the name for the highness and lowness of sound?

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