Sound Year 4

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 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

Sound is produced by __________________________

• vibration

• refraction

Tags

NGSS.MS-PS4-1

There are various uses of sounds in daily life such as ___________________

• an alarm clock

• a mirror

Sounds are made when objects_________.

• touch

• vibrate

• are turned up.

• have a low pitch.

The organ of the inner ear that functions to transmit sound waves to nerve impulses is:

• Semicircular Canals

• Cochlea

• Vestibule

• Ossicles

The ear canal...

• directs sound from the outer to middle ear

• directs sound from the middle to inner ear

• collects and shapes sound