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In this activity, learners play with a fuzzy-colored dot that has no distinct edges seems to disappear. As learners stare at the dot, its color appears to blend with the colors surrounding it. The illusion is created by the tiny jittering movements that your eyes are continually making. Activity includes step-by-step instructions and an explanation of the science behind the activity. A Spanish version of the activity is available.
- Under 5 minutes
- 5 to 10 minutes
- $1 - $5 per student
- Ages 6 - 14
- Activity
- English
Quick Guide
Materials List (per student)
- Blue paper (just enough to cut a dot about 1 inch [2.5 cm] in diameter)
- Scissors
- Pink paper (1 sheet)
- Waxed paper
- Optional: Glue stick or tape
Subjects
-
Life Sciences
-
Human Senses and Perception
- Vision
- Perception
-
Human Senses and Perception
Audience
To use this activity, learners need to:
- see
- see color
Other
Foreign language versions of this resource:
This resource is part of:
Access Rights:
- Free access
By:
- Briegleb, Cija ; Waller, Zach ; Exploratorium
Rights:
- Creative Commons: Non-commercial Share Alike (by-nc-sa), Exploratorium, 2020