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In this optics activity, learners discover how they can make glass objects "disappear." Learners submerge glass objects like stirring rods into a beaker of Wesson™ oil to explore how the principles of reflection and refraction affect what we see. Use this activity as a demonstration or allow learners to experiment on their own.
- Under 5 minutes
- 10 to 30 minutes
- 1 cent - $1 per group of students
- Ages 6 - 14
- Activity, Demonstration
- English
Quick Guide
Materials List (per group of students)
- Wesson™ oil (Regular, not lite)
- One or more Pyrex® stirring rods or other small, clear glass objects
- A beaker
- Glass eyedropper, glass magnifying lens (optional)
Subjects
-
Life Sciences
-
Human Senses and Perception
- Vision
-
Human Senses and Perception
-
Physical Sciences
-
Vibration and Waves
- Light and Optics
-
Light and Optics
- Reflection and Refraction
-
Vibration and Waves
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
Learning styles supported:
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, The Exploratorium,
Funding Sources:
- National Science Foundation
- California Department of Education
- NEC Foundation of America