Make music. Class members construct a simple record player using a paper cone and a pin. The resource provides a description of what is happening and why listeners can hear the sounds through the cone. 

Learners use their teeth for more than just eating. The activity shows class members how to send sound through their teeth by using an electric motor connected to a radio to generate vibrations. Biting on the motor...

How smart is that piece of paper? The activity introduces the idea of computer programming as a list of instructions written by computer programmers. Two individuals play a game of Tic-Tac-Toe in which one follows the commands...

What is the net effect when two waves interfere with each other? The lesson plan answers this question by helping the class visualize waves through graphing. Pupils graph individual waves and determine the effect of the interference...