Give credit where credit is due—thank Ampere any time you use an electric motor! The 33rd installment in the Crash Course physics series explains how Ampere's Law applies to a long, straight wire. The discussion then expands to the forces between two parallel wires as well as their magnetic fields.

Concepts

magnetic fields, parallel circuits, electromagnetic force, force, currents, electric currents

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Additional Tags

science

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Instructional Ideas

• Flip the classroom and assign the video as homework; use class time for practice
• Record new vocabulary and examples in a concept map

Classroom Considerations

• Builds on an understanding of all types of circuits

• This video is hosted on YouTube

Pros

• Visuals and animations add clarity to complex topics
• Highlights key vocabulary with written definitions and explanations

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.7 RST.11-12.7