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Product 40077

By: The Flinn Staff

Investigating Polarized Light with a Student Built LCD - Wet/Dry Inquiry Lab for One Period
Investigating Polarized Light with a Student Built LCD - Wet/Dry Inquiry Lab for One Period
In this time-saving lab optimized for completion in one period, students construct their own liquid crystal pixel and investigate its interaction with polarized light. A prelab homework assignment introduces the ideas and concepts needed to succeed on lab day.

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Bid Idea 2

Liquid crystal displays are a common piece of technology. They interact with polarized light to either generate a dark pixel or a light pixel. It is the structure of the molecules in the liquid crystal display that gives rise to these properties. In this time-saving lab, students construct their own liquid crystal pixel and investigate its interaction with polarized light. A prelab homework assignment introduces the ideas and concepts needed to succeed on lab day.

Complete for 24 students working in groups of three.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models
Using mathematics and computational thinking
Constructing explanations and designing solutions
Planning and carrying out investigations

Disciplinary Core Ideas

HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions
HS-PS2.B: Types of Interactions
HS-PS3.A: Definitions of Energy
HS-PS3.D: Energy in Chemical Processes
HS-PS4.A: Wave Properties
HS-ETS1.C: Optimizing the Design Solution

Crosscutting Concepts

Patterns
Structure and function
Cause and effect
Energy and matter

Performance Expectations

HS-PS1-4: Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.
HS-PS1-6: Refine the design of a chemical system by specifying a change in conditions that would produce increased amounts of products at equilibrium.
HS-PS2-6: Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.
HS-PS3-3: Design, build, and refine a device that works within given constraints to convert one form of energy into another form of energy.
HS-PS3-4: Plan and conduct an investigation to provide evidence that the transfer of thermal energy when two components of different temperature are combined within a closed system results in a more uniform energy distribution among the components in the system (second law of thermodynamics).
HS-PS4-1: Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.