7La-c Quiz

The amplitude of a sound wave is...

• how far air particles move as the sound wave passes

• how fast the sound wave vibrates

• the pitch of the sound wave

• measured in hertz (Hz)

Sound waves transfer...

• waves

• particles

• energy

• particles and energy

Hertz (Hz) is a measure of...

• amplitude

• frequency

• energy

• volume

Sounds with high intensity have...

• high pitch

• low amplitude

• high frequency

• high volume

Which wave is the lowest volume?

• The blue wave

• The red wave

• The dotted red wave

• They are all the same

Which wave has the highest pitch?

• The blue wave

• The red wave

• The dotted red wave

• They are all the same

The sound made by tuning fork X is..

• louder because the amplitude of the vibrations is bigger

• louder because the frequency of the vibrations is bigger

• higher because the amplitude of the vibrations is bigger

• higher because the frequency of the vibrations is smaller

Choose all mediums.

• solid

• liquid

• gas

• vacuum

Sound waves are called pressure waves because...

• sound creates high pressure

• sound creates low pressure

• sound exerts pressure on objects

• sound waves create areas of low and high pressure

Sound cannot travel in a vacuum because...

• particles in space are too cold

• there are no particles to vibrate

• there are too many particles blocking the sound

• particles in space don't vibrate