E ch 1

Sound is a kind of

• pitch

• energy

• travel

• volume

Sounds bouncing back from an object are ___

• higher

• vibrates

• echoes

• loud

Sound travels faster through a solid than through a ______

• liquid

• echoes

• travel

• higher

The pitch of the sound a bird makes is ____ than that of a man's voice

• energy

• particles

• higher

• volume

Sound travels fastest in matter in which the ____ are closest together.

• particles

• energy

• vibrates

• loud

The volume of the sound of a jet engine is ____

• echoes

• liquid

• pitch

• loud

Sound waves can ____ through matter.

• travel

• higher

• volume

• particles

The ____ of a sound is how high or how low the sound is.

• particles

• volume

• pitch

• loud

The loudness or softness of sound is the ____ of the sound.

• energy

• liquid

• pitch

• volume

Sound is made when matter _____, or quickly moves back and forth

• vibrates

• echoes

• loud

• particles