Peripheral Vision Loses Color
Shape is noticed before the color is identified.
Teaching & key ideas
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.
Why it works: Peripheral retina has fewer cone cells for color vision.
Question to ask: Why can you see something before knowing its color?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Why can you see something before knowing its color?