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With the Fluorescent Dye Chemical Demonstration Kit, explore the concepts of absorption and emission of light. When the lights are off and a black light is shined on the dyes, they glow with different colors than under the white light.

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Product Details

Light up your classroom with fluorescent solutions! Under normal white light in the laboratory, these solutions appear colorless, yellow, orange and pink, but when the lights are turned off and a black light is shined on them, they glow—and with different colors than under the normal white light! Explore the concepts of absorption and emission of light with this enlightening demonstration. Teacher Demonstration Notes included.

Concepts: Fluorescence, absorption, emission, electronic structure, spectroscopy.
Time Required: 10 minutes
Note: A black light is needed and available separately.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models

Disciplinary Core Ideas

MS-PS4.B: Electromagnetic Radiation
MS-PS4.A: Wave Properties
HS-PS4.B: Electromagnetic Radiation

Crosscutting Concepts

Structure and function

Performance Expectations

MS-PS4-2. Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.