By Cecilia Wood
Mechanical vs Electromagnetic
Radio waves are used in radios, TVs, and cellphones. They occur in supernovia exposions, and they are in interstellar clouds.
Here are 2 videos about the electromagnetic spectrum.
Here's a fun recap song about all that this bulletin board was about! Enjoy!
Here are the sites used to help create this bulletin! This link will not open up a new tab, so make sure to press the back button to get back to this page.