Lesson: Making and Hearing Sound Science • 4th Grade
In this lesson, we will learn how to describe how sounds are made and how we hear them.
This is a xylophone. To make a sound on the xylophone, you hit the xylophone bars with a stick.
What type of instrument is a xylophone?
Whales communicate over long distances using sound.
What does this tell us?
Jacob plays music through a speaker. The speaker makes the air in front of it vibrate.
Jacob holds a piece of paper in front of the speaker.
What happens to the piece of paper while the music is playing?