Let's check out some videos about variables!
Let's discuss what we learned and answers some of the questions from the video. Now that you know more about variables, let's watch a video clip here, and think about what variables exist in these experiments?
http://www.pbs.org/wnet/humanspark/episodes/program-two-so-human-so-chimp/video-full-episode/407/
http://www.pbs.org/wnet/humanspark/episodes/program-two-so-human-so-chimp/video-full-episode/407/