**Before Class Preparation:**

- Finish Assigned Braingenies & Self Quizzes

**In Class Work:**

**15 minute group discussion**
**30 minute quiz: Application of Standing/Sound Waves**

**Can you:**

- Determine a wave’s period & frequency when given a graph of the wave.
- Calculate the frequency of a standing wave in a medium that is:
- Open at both ends
- Closed at both ends
- Open at one end

- Calculate the speed of sound from a standing wave patterns in an air column closed at one end.
- Draw a standing wave pattern for an air column or string instrument and
- Calculate frequencies/lengths of the instrument

- Describe and calculate how sound changes (frequency, wavelength, velocity) through different mediums

### After quiz:

Take up the quiz immediately using Sage & Scribe