Creative Science Centre
Creative Science Centre: A Voice on a Sunbeam
Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...
CPALMS
Cpalms: Browse and Search Resources
This site shares a collection of expert and peer-vetted teacher resources that are searchable for teachers and students. Searching can be achieved via a subject, grade, audience, and/or type. Curricula standards for the following subjets...
Science Education Resource Center at Carleton College
Serc: Analyzing Forces and Motion Graphs by Riding an Elevator
A high school physics lab on classical mechanics in which students study force versus time and acceleration versus time. Students need access to an elevator to complete the experiments. A lab handout is provided.