Popper Toy Jumps After a Delay

1. Popper Toy Jumps After a Delay Materials: Rubber popper toy What you do: Invert the popper and place it on a table. What students see: It waits, then suddenly jumps. Question: Why doesn't it jump immediately? 2. Domino Energy Transfer Materials: Line of dominoes What you do: Tip the first domino in a prepared line. What students see: A wave of falling travels through the line. Question: Does the first domino travel all the way to the end? 3. Double Pendulum Chaos Materials: Double pendulum What you do: Release it from nearly the same starting position twice. What students see: The motion quickly becomes very different. Question: Can tiny starting differences make a big change?

Predict → observe three demonstrations → compare what changed → choose independent activity station → cleanup/share. Guiding questions: Question: Why doesn't it jump immediately? Question: Does the first domino travel all the way to the end? Question: Can tiny starting differences make a big change?