Light and Dark

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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles. When three polarizers are used, some surprising results are seen. This activity starts on p.19 of the manual. This manual contains four activities related to the Spectra: The Original Laser Superhero Force comic book published by the American Physical Society.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
10 to 30 minutes
Estimated Materials Cost:
$10 - $20 per group of students
Age Range:
Ages 11 - 14
Resource Types:
Activity, Experiment/Lab Activity, Lesson/Lesson Plan
Language:
English

Materials List (per group of students)

Keywords

Subjects

  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
      • Data Representation
  • Physical Sciences
    • Vibration and Waves
      • Wave Properties
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Gathering Data
      • Formulating Explanations
      • Communicating Results

Informal Categories

  • Literature

Audience

To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access

By:

  • Thompson-Flagg, Rebecca ; Johnson, Kerry G.

Rights:

  • All rights reserved, American Physical Society, 2010