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Reflectivity of Light

Experiment #7 from Middle School Science with Vernier

Education Level
Middle School

Video Overview

Reflectivity of Light


Light is reflected differently from various surfaces and colors. In this experiment, you will be measuring the percent reflectivity of various colors. You will measure reflection values from paper of the various colors using a Light Sensor and then compare these values to the reflection value of aluminum foil. You will then calculate percent reflectivity using the relationship:

{\text{\% Reflectivity}} = \frac{{{\text{value for paper}}}}  {{{\text{value for aluminum}}}} \times 100


In this experiment, you will

  • Use a Light Sensor to measure reflected light.
  • Calculate percent reflectivity of various colors.
  • Make conclusions using the results of the experiment.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

Option 2

Light Sensor

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This experiment is #7 of Middle School Science with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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