This is a very exciting way to demonstrate that the amplitude(height)of the sound wave is related to the volume or loudness of the sound. Surf's up dudes!
Appropriate Grades: Grade 3,
Subject: Science
Appropriate Materials: CD Player, Music,
To demonstrate that some materials absorb sound and some materials reflect it.
Appropriate Grades: Grade 3,
Subject: Science
Appropriate Materials: None,
To demonstrate that sound travels in waves and that the length of those waves is related to the pitch of the sound.
Appropriate Grades: Grade 3,
Subject: Science
Appropriate Materials: CD Player, Music, Sound Makers,
Big bats and baby bats use echolocation to find out information about the facinating world around them
Appropriate Grades: Grade 3,
Subject: Science
Appropriate Materials: None,
A model that shows the parts of the ear, how sound enters the ear, and how to protect our hearing from loud sounds.
Appropriate Grades: Grade 3,
Subject: Science
Appropriate Materials: None,