4. What are waves?

With the help of this video clip, could you try to answer the following (basic) questions on waves?

1. What are waves?

2. What are mechanical waves?

3. Why can waves propagate?

4. In the 'spring model', what do the springs represent?

5. Can you specify two different types of mechanical waves?

6. Can you define both kinds of waves?

7. What is 'inertia'?

8. What kind of particles tend to have more inertia?

9. In longitudinal waves, are the particles of the medium carried along by the propagating waves?

10. In longitudinal waves, why don't the particles of the medium move at the same time?