What makes sound?
Vibrations
What do we call how loud or soft a sound is?
Volume
What is a natural source of light?
The Sun
What do we use to hear sound?
Ears
What do we call how high or low a sound is?
Pitch
What is an artificial (man-made) light source?
A light bulb
Can sound travel through water?
Yes
What makes a high pitch sound—fast or slow vibrations?
Fast vibrations
What helps us see things around us?
Light
What is it called when sound bounces back to you?
Echo
Which does sound move through fastest: air, water, or a solid?
Solid
Does light travel in a straight line or a zigzag?
Straight line
Can sound travel in space? Why or why not?
No, because there’s no air for it to move through
What tool do doctors use to listen to your heartbeat?
Stethoscope