Reflecting on Diffraction

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With a laser pointer and some household items, learners can create their own laser light show. They can explore diffuse reflection, refraction and diffraction. The webpage includes a video which shows how to set up the activity and also includes scientific explanation. Because this activity involves lasers, it requires adult supervision.

Quick Guide

Preparation Time:
5 to 10 minutes
Learning Time:
10 to 30 minutes
Estimated Materials Cost:
$10 - $20 per group of students
Age Range:
Ages 11 - 18
Resource Type:
Activity
Language:
English

Materials List (per group of students)

  • Laser pointer
  • Transparent objects (ex. jars, blender containers, plastic cups, cellophane wrap, water-filled bottles, etc.)
  • Semi-reflective surfaces (ex. CDs, DVDs, etc.)

Keywords

Subjects

  • Physical Sciences
    • Vibration and Waves
      • Light and Optics
    • Light and Optics
      • Lasers
      • Reflection and Refraction

Audience

To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

Rights:

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