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With the Basic Polarized Light Demonstration Kit, introduce the principles of polarization. Activities may be used to demonstrate the transverse wave characteristic of light.

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What is polarized light, and what effect does polarized light have on the appearance of an object? Introduce your students to the principles of polarization using this fun kit. The activities may be used to demonstrate the transverse wave characteristic of light and to illustrate the properties of birefringence and interference colors. The effect of crystal structure on the properties of light is also observed. Kit includes two polarizing film squares, one piece of mica, one calcite crystal, three clear plastic eating utensils, one ¼ wave retarder, and complete instructions. An overhead projector is needed.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models
Planning and carrying out investigations

Disciplinary Core Ideas

MS-PS4.A: Wave Properties
MS-PS4.B: Electromagnetic Radiation
MS-ETS1.A: Defining and Delimiting Engineering Problems
HS-PS4.A: Wave Properties
HS-PS4.B: Electromagnetic Radiation
HS-PS4.C: Information Technologies and Instrumentation
HS-ETS1.C: Optimizing the Design Solution

Crosscutting Concepts

Patterns
Cause and effect
Scale, proportion, and quantity
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.
MS-PS4-3: Integrate qualitative scientific and technical information to support the claim that digitized signals are a more reliable way to encode and transmit information than analog signals.
HS-PS4-4: Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter.