Dangerous Decibels Program Walk-Through: 2. What is Sound?
2What is Sound?
This is the program module where the students learn that sound is made when objects vibrate and that sound travels through molecules as sound waves. The key message in this Dangerous Decibels program module is that SOUND IS ENERGY and the POWER in sound vibrations can damage our ears.
There are 2 ACTIVITIES in this Dangerous Decibels program module:
1. Tuning Fork: Listening and touching
2. Tuning Forks and Ping-Pong Balls