Lesson Plan: Electromagnetic Waves | Nagwa Lesson Plan: Electromagnetic Waves | Nagwa

Lesson Plan: Electromagnetic Waves Science

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to relate oscillating electric and magnetic fields to electromagnetic waves.

Objectives

Students will be able to

  • recall that EM waves travel at the speed of light, 𝑐, roughly 3×10/ms in a vacuum,
  • recall that an EM wave is an oscillation in both the electric and magnetic fields,
  • recall that an EM wave is a transverse wave,
  • recall that the electric and magnetic field oscillations are perpendicular to each other,
  • recall that both the electric and magnetic field oscillations are perpendicular to the direction of propagation of the EM wave,
  • recall the wavelength range of visible light.

Prerequisites

Students should already be familiar with

  • the fact that electromagnetic waves are waves in the electric and magnetic fields and do not require a medium,
  • the fact that visible light is an electromagnetic wave,
  • the fact that the Sun emits visible light as well as ultraviolet and infrared radiations,
  • the meaning of the term wavelength,
  • the meaning of the term transverse wave.

Exclusions

Students will not cover

  • any calculations,
  • any details of interactions between electromagnetic waves and matter,
  • the generation of electromagnetic waves.

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