Join the resistance—Ohm! Scholars apply Ohm's Law to problems of increasing difficulty as part of a series on electric circuits. The lesson begins with simply doubling and tripling voltage or resistance. It ends with having pupils solve problems where voltage and resistance have both been altered.

Concepts

ohm's law, voltage, currents, resistance

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Additional Tags

science

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Instructional Ideas

• Use after hands-on lab activities to reinforce the concepts

Classroom Considerations

• Features an adjustable size display to encourage classroom use
• Relies on prior knowledge of algebraic equations, Ohm's Law, and substitution of variables in equations

Pros

• Includes a "Help Me!" button on every question explaining how to solve the problem
• Offers teacher tips and a teacher toolbox for help implementing the lesson

Cons

• None

Common Core

RST.9-10.3 RST.11-12.3