Physics Instructional Guide

Electromagnetism

Physics

Quarter 4

McGraw Hill Module 21

576

Explore & Explain: Changing Magnetic Fields Explore and Explain: Induced Electromotive Force PhET: Faraday’s Law Explore & Explain: Induced EMF in Microphones Explore & Explain: Electric Generators PhET: Generators Quick Investigation: Motor & Generator

● Chromebooks ● DBQ

Elaborate:

576

10Min

Return to the DBQ and have students determine what questions they can answer.

● Chromebooks 10 Min

Evaluate:

577

Lesson Check: Inducing Currents

● Primary and

Lesson2: Application of

Engage:

20Min

secondary coil apparatus

Induced Currents

Launch the Lesson: Applications of Induced Currents PhysicsLAB: Induction & Transformation

● Small AC

power supply ● AV Voltmeter ● DCPower supply ● Connecting wireswith alligator clips ● Small lightbulb withwires

● Beakers ● Enameled

Explore & Explain:

50Min

Explore & Explain: Lenz’s Law Explore & Explain: Application of Lenz’s Law

magnet wire

● Ring stand ● Two ring-stand clamps ● Masking tape

Explore & Explain: Self-Induction Explore & Explain: Transformers