Sound

Which is not a property of sound?

• has pitch and volume

• travels in waves in all directions

• can travel in space

• make tiny particles vibrate

sound occurs when particles of air

• vibrate

• heat up

• slow down

• change shape

To describe how loud or quiet a sound is, we can measure its

• volume

• pitch

• echo

• frequency

Which is NOT true about sound waves

• has parts where particles of air are squeezed together

• travels in every direction

• only travels through air

• they has parts where particles of air are spread out

Why do sounds get quieter and then die out?

• The sound waves lose their energy

• the source of the sound moves farther away

• the sound waves get too big and fall apart

• the sound waves bounce off objects

low-frequency sound waves create a sound that

• travels quickly

• has a low pitch

• has a low volume

• travels through water

What is true about sound

• it is a form of energy

• it is caused by vibrations

• its waves move through air, water, and solid

• all the above

Why does tapping a fork against a water glass produce a sound?

• the air expands

• the fork releases electrons

• the particles in the objects vibrate

• the water in the glass forms ripples

a rubber band will make a sound when it is

• stretched

• cut

• flung across the room

• vibrated

Sound will travel fastest through which substance?

• air

• brick

• water

• helium