1. Lesson 1: The Nature of Electromagnetic Waves
Unit: Sound and Light
Lesson 1: The Nature of Electromagnetic Waves
Essential Questions:
1.) What makes up an electromagnetic wave?
2.) What models explain how electromagnetic waves behave?

2. What makes up an electromagnetic wave?
An electromagnetic wave is a transverse wave that involves the transfer of electric and magnetic energy and travels at the speed of light

3. Electromagnetic radiation is the energy that electromagnetic waves transfer

4. What models explain how electromagnetic waves behave?
1.) Wave Model of Light
Light enters a polarizing filter.
The light that passes through the filter is called polarized light.

5. 2.) Particle Model of Light
Light is a stream of tiny particles of energy
called photons.
When photons hit a metal surface they
knock out electrons. This is called the
photoelectric effect.