Blind-Spot Disappearing Dot

1. Blind-Spot Disappearing Dot Materials: Printed dot/cross card What you do: Close one eye and move card slowly until one mark vanishes. What students see: A visible mark disappears at a specific distance. Question: Where did the dot go? 2. Peripheral Vision Loses Color Materials: Colored cards What you do: Move a colored card slowly in from the side while student looks forward. What students see: Shape is noticed before the color is identified. Question: Why can you see something before knowing its color? 3. Mirror Maze Reflection Materials: 2–3 plastic mirrors; small object or flashlight spot What you do: Change mirror angles to bounce an image/light path. What students see: Multiple reflections create repeated images or redirected paths. Question: Can you predict where the next reflection will go?

Predict → observe three demonstrations → compare what changed → choose independent activity station → cleanup/share. Guiding questions: Question: Where did the dot go? Question: Why can you see something before knowing its color? Question: Can you predict where the next reflection will go?