Lab Resource

The Invisible Electromagnet: A Transparent Magnetic Field Viewer

Curated and Reviewed by Lesson Planet
This The Invisible Electromagnet: A Transparent Magnetic Field Viewer lab resource also includes:

Audio speakers, hard drives, credit cards, and even the earth use magnetic fields. While we observe the effect of magnetic fields, we can't actually see them. A viewer helps participants explore magnetic fields, some of the items that change the strength of a field, and other variables.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Discuss why we test for the magnetic field with iron filings rather than another metal
Classroom Considerations
  • Requires the help of a machine shop to create some components
  • Use caution when drilling through the acrylic, as it cracks easily
Pros
  • Brings concepts from the textbook to life
  • Once built, the device lasts for many years
Cons
  • None