Learn how to use the new Green Screen video feature on iMovie by creating a wormhole 'dot' for International Dot Day on September 15th. Participate in the #wormholechallenge and create a Green Screen video with just a piece of green paper, a piece of art, and an iPad! The #wormholechallenge Overview I wrote a little about the #wormholechallenge when sharing some creative mini green screen ideas for the classroom. The hashtag refers to a collection of ideas for using green screen to peak into or view a separate video layer. The Worm Hole Challenge is also a very stress free