1. 17.1 Mechanical Waves

2. 1. Describe how mechanical waves are produced.
Mechanical waves are produced when a source of energy causes a vibration to travel in a medium.
A medium is the material that the wave travels through.
Examples – all phases of matter
Mechanical waves are classified by the way they move through a medium

3. 2. List the 3 main types of mechanical waves.
Transverse
Longitudinal
Surface waves

4. 3. For each type of wave compare the vibration of the medium to the direction of the wave.
Transverse wave: medium vibrates perpendicular to the direction the wave travels
Longitudinal wave: medium vibrates parallel to the direction the wave travels
Surface wave: a circular motion as the medium vibrates both perpendicular and parallel to wave direction

15. 4. Name one example of each type of wave.
Transverse: shaking the end of a rope
Longitudinal: compressions and rarefactions moving along a spring (slinky)
Surface waves: deep water waves in the ocean

16. 5. How are transverse and longitudinal waves similar
5. How are transverse and longitudinal waves similar? How are they different?
Both carry energy through a medium without transferring matter
Transverse: vibration perpendicular to wave direction
Longitudinal: vibration parallel to wave travel

17. 7. In the surface wave diagram in your book, why is the first position of the bobber the same as the 5th position of the bobber?
The bobber has moved in a full circle that returns it back to its starting position.
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