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In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source. Learners use critical thinking skills to hypothesize which type of light -- incandescent, ultraviolet, infrared or fluorescent -- will produce the brightest glow from a glow-in-the-dark star. Learners perform an experiment using cameras to observe the intensity of the resulting glow from each type of light source.
- Under 5 minutes
- 45 to 60 minutes
- $10 - $20 per group of students
- Ages 11 - 14
- Activity, Experiment/Lab Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- One lamp fixture
- One incandescent light bulb - 40 watts
- One compact fluorescent light bulb - 7 watts
- One ultraviolet light or black light bulb - 40 watts
- One infrared or red heat bulb - 40 watts
- Glow-in-the-dark stars, all in the same size
- One camera
Subjects
-
Engineering and Technology
- Engineering
- Technology
-
Physical Sciences
- Energy
- Vibration and Waves
-
Light and Optics
- Electromagnetic Spectrum
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Formulating Explanations
- Communicating Results
-
The Scientific Process
-
The Nature of Technology
-
Technology and Society
- Impacts of Technology
- Technology and the Environment
-
Technology and Society
Informal Categories
- Photography and Film/Video
- Toys
Audience
To use this activity, learners need to:
- see
- see color
Learning styles supported:
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
- Education, Science Friday
Rights:
- All rights reserved, Science Friday, 2011