¹     How do you hear? You hear with your ears. What do you hear? You hear sounds. All sounds are made by vibrations (vi-BRAY-shuns). Sound waves travel through the air and enter your ears. When the sound waves reach your eardrum, the eardrum vibrates, or moves back and forth. Nerves in your ears send a message to your brain, and your brain tells you what the sound is. Your brain can tell you what sounds you hear even if your eyes are shut!
 
²     Things that make soft sounds are quiet. A whisper is quiet. A leaf falling to the ground is quiet. Things that make loud sounds are noisy. Trains and airplanes are noisy. Music, sirens, and machines can be loud when they are close to us or quiet when they are far away.
 
³     You hear hundreds of sounds every day. Close your eyes for a few seconds. What inside sounds do you .....
For the complete story with questions: click here for printable