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Kaleidoscoptical Activity—Demonstration Kit

By: Bob Becker, Kirkwood H.S., Kirkwood, MO

Kaleidoscoptical Activity Chemical Demonstration Kit
polarization, polarized, parallel polarized, radially polarized
visible light spectrum, visible spectra, spectrum
Kaleidoscoptical Activity Chemical Demonstration Kit
polarization, polarized, parallel polarized, radially polarized
visible light spectrum, visible spectra, spectrum
Item #: AP8781 

Price: FREE

Temporarily out of stock; call for availability.

The Kaleidoscoptical Activity Chemical Demonstration Kit demonstrates key concepts of the visible light spectrum and optical activity. Students use two pieces of polarized filter material and corn syrup to reveal a rotating array of colors.

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Product Details

A radially polarized filter is placed on an overhead projector and a parallel polarized filter is positioned above it. The image produced shows four quadrants, alternating light-dark-light-dark. As an optically active solution is poured between them in a beaker, the image rotates and separates into a beautiful array of spectrum colors.

Concepts: Visible light spectrum, optical activity.
Time Required: 15 minutes 
Note: A 600-mL tall-form beaker, corn syrup and an overhead projector are needed.

Specifications

Materials Included in Kit: 
Linear polarizer, 4" x 12"
Linear polarizer, 6" x 5½"
Polarized filter pattern, 8½" x 14"


Correlation to Next Generation Science Standards (NGSS)†

Science & Engineering Practices

Developing and using models
Constructing explanations and designing solutions
Engaging in argument from evidence

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS4.A: Wave Properties
MS-PS4.B: Electromagnetic Radiation
HS-PS1.A: Structure and Properties of Matter
HS-PS4.A: Wave Properties
HS-PS4.B: Electromagnetic Radiation

Crosscutting Concepts

Patterns
Systems and system models
Energy and matter
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.
HS-PS4-3. Evaluate the claims, evidence, and reasoning behind the idea that electromagnetic radiation can be described either by a wave model or a particle model, and that for some situations one model is more useful than the other.