Chroma Key

youtube id: 
1Xhlb6WP9PA

Also known as “Green Screen,” Chroma Key isn’t just used by TV weather people. It’s also a great tool for creating special effects, as we explain here.

This content was developed under a grant from the U.S. Department of Education. However, this content does not necessarily represent the policy of the U.S. Department of Education, and you should not assume endorsement by the Federal Government.