Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-668.jpg?itok=R-joBVdY)
The Electric Squeeze
Source Institutions
In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-940.jpg?itok=oJtz0wJN)
Good Vibrations
Source Institutions
In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-732.jpg?itok=zz-17kJq)
Good Vibrations
Source Institutions
This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.