Somehow, every student seems to have seen the 1989 movie Honey I Shrunk the Kids. In this movie I use Rick Moranis’s shrinking machine to explain similarity. “When the kids got shrunk, they didn’t get skinnier or pudgier. There were no deformities in their shrunken appearance. All their proportions remained the same. They simply shrunk in size. And then later got blown up in size. They same goes with triangles…”