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In this optics activity, learners investigate afterimages. Learners draw a simple picture using a green marker, stare at it for about 30 seconds, and then look at a blank piece of paper to see an afterimage in magenta. Learners can experiment by using different marker colors. [Activity is publicly available through a web crawler capture on Archive.org.]
- Under 5 minutes
- 5 to 10 minutes
- 1 cent - $1 per student
- Ages 6 - 11
- Activity
- English
Quick Guide
Materials List (per student)
- 2 pieces of white paper
- colored markers (red, green, and blue)
Subjects
-
Life Sciences
-
Human Senses and Perception
- Vision
-
Human Senses and Perception
-
Physical Sciences
-
Vibration and Waves
- Light and Optics
-
Light and Optics
- Sunlight and Color
-
Vibration and Waves
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- see color
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, WGBH Educational Foundation, 2002
Funding Sources:
- National Science Foundation, 0229796
- Corporation for Public Broadcasting
- The Arthur Vining Davis Foundation
- PBS