Sounds

Sound waves move outward from their source in __________ direction.

Sound waves travel at the ________ speed through all kinds of matter.

Sound waves spread out as they move farther away from the _____ of their vibrations

• source

• echo

• reflection

Which state of matter does sound travel faster through

• Solid

• Liquid

• Gas

What characteristic of sound helps us identify different people's voices

• pitch

• volume

• quality

What characteristic of sound depends on how much forces used to make an object vibrate?

• pitch

• volume

• quality

What characteristic of sound depends on how fast the source of sound is vibrating?

• pitch

• volume

• quality

/siund is a form of _____ that you can hear.

• energy

• matter

Sound is caused by a moving object that is

• reflecting

• vibrating

Large, hard, smooth surfaces _______ sound waves.

• absorb

• reflect