Transcript:

Calvin: Today for show and tell I've brought a tiny marvel of nature: a single snowflake. I think we might all learn a lesson from how this utterly unique and exquisite crystal...turns into an ordinary, boring molecule of water, just like every other one. When you bring it in the classroom. And now, while the analogy sinks in. I'll be leaving you drips and going outside. Miss Wormwood: Calvin!