Year 4 sound

How does sound travel?

• In a straight line.

• In a curvy line.

• As a series of vibrations.

• By making a noise.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound travels…

• slower than the speed of light.

• at the same speed as light.

• faster than the speed of light.

• how ever it wants to.

The volume of sound is measured in…

• centimetres
• decibels
• kilograms
• miles

Tags

NGSS.MS-PS4-1

Sounds gets louder…

• as we move further away from the source.

• as we move closer to the source.

• the less energy there is when creating the sound.

On a stringed musical instrument, the pitch can be changed by…

• hitting the string harder.
• hitting the string softer.
• tightening the string.
• loosening the string.

The origin of the sound is called the…

• noise
• vibration
• frequency
• source

The pitch of a sound describes…

• how fast a sound is.
• how slow a sound is.
• how loud or quiet a sound is.
• how low or high a sound is.

When a sound hits the ear...

• nothing vibrates.
• the whole ear vibrates.
• the eardrums vibrate.
• the brain vibrates.

Sound can travel through…

• the air.
• water.
• the floor.
• all of the above.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A pupil blows through two different length straws. Which statement is true?

• The shorter straw will make a higher-pitched sound.

• The shorter straw will make a louder sound.

• The longer straw will make a higher-pitched sound.

• The longer straw will make a louder sound.

Tags

NGSS.MS-PS4-2