Sound Energy

To vibrate is to..

• Move back and forth slowly

• Move back and forth quickly

• Jump up and down

• Shake

Sound is a form of energy that comes from objects that..

• Talk

• Have a speaker

• Vibrate

• Have headphones

Sound travels in..

• Waves

• Straight Lines

• Speakers

• Water

An echo is a sound wave that..

• Bounces away from you.

• Bounces back towards you.

Air is a...

• Solid.

• Liquid.

• Gas.

Sound waves travel through all types of matter, but sound does not travel through completely empty space.

• True.

• False.

Sound travels the slowest through liquid.

• True.

• False.

A sound's pitch is...

• The sound of it.

• How high or low it is.

• How loud it is.

Your ears can hear all sounds.

• True.

• False.

A vibrating object's _____________ can affect pitch.

• Length & Thickness.

• Color & Length.

• Thickness & Color.