1. 1.) What forms mechanical waves?
Unit: Sound and Light
Lesson 1: What are Waves?
Essential Questions:
1.) What forms mechanical waves?
2.) What are the types of mechanical waves?

2. What forms mechanical waves?
A wave is a disturbance that transfers energy and causes a medium to vibrate.

3. The material through which a wave travels is called a medium
The material through which a wave travels is called a medium. Waves that require a medium to travel through are called mechanical waves.

4. What are the types of mechanical waves?
1.) Transverse Waves (p.7)

5. 2.) Longitudinal Waves (p.8)

6. 3.) Surface Waves (p.9)