Filters: Your search found 2 results.
Topics/Subjects:
Light and optics  
Learning Time:
30 to 45 minutes  
Instructional Strategies:
Demonstrations  
Hands-on learning  
Materials Cost:
$1 - $5  
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Learners will use an inexpensive, simple spectrophotometer to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples. Clear water is used as the “control,”... (View More)

In this lesson, students explore the visible light spectrum using a flashlight and red, blue and green theatrical gels or cellophane. They also record data on a worksheet, and learn about mixing wavelengths of light. A student worksheet, data sheet,... (View More)

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