Science Sound Quiz Y4

Mariam is playing football.

At the end of the first half the referee blows the whistle.

 

What does the sound travel through to reach Mariam’s ears?

• Air

• Ear Canal

• Ear drum

• Oxygen

Tags

NGSS.MS-PS4-2

Ben plucks a string on his guitar and he hears a sound.

He says, “I can hear a sound because the string vibrates.”

 

What does vibrate mean.  Choose the correct definition:

• To move an object

• To quickly move back and forth

• To hear a sound

• To pluck a sound

Mariam plucked a string on this harp to make a sound:

How could she create a louder sound using the same string?

• By plucking the string harder
• By plucking the string lighter

• By moving the harp to a quieter room

Tags

NGSS.MS-PS4-1

After she plucked the string it took 6 seconds for the sound to stop.

What happened to the vibrations of the string during those 6 seconds?

• The vibrations slowed down
• The vibrations stopped

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Label the parts of an ear.

The first one has been done for you.

d

c

b

a

Ear canal

Cochlea

Pinna

Auditory nerve

Ben is calling out numbers for a bingo game in his school hall.

However, it is quite noisy in the hall and

some children at the back of the hall can’t hear him.

Why can't the children at the back of the hall hear Ben as well as the children sat at the front of the hall.

• Because they are further away from the sound
• Because they are hard of hearing

• Because they are closer to the sound

Tags

NGSS.MS-PS4-2

The sound from a guitar is made by plucking the strings. What do the strings do that creates the sound we hear?

• The strings vibrate
• Make a noise

• Move up and down

Tags

NGSS.MS-PS4-1

Look at these four strings.  All of them have the same tension:

Which order is correct from lowest to highest?

• C A D B
• D A B C

• C A B D

• A B C D

Sound is created when objects ​..........

• Vibrate
• Air
• Bounce

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Pitch refers to how ​....... or .......​ a sound is.

• high or low

• loud or quiet

• big or small

• loud or soft