4-11 Assessment

1) Lab

Download the following document and complete the lab:

File:Pitch Frequencies.pdf

   You will need the following materials:
   - Musical Instrument
   - Ruler
   - Frequency Generator
   - Graph Paper
   - Calculator, optional

Taken from:

2) Journal

Now that we have completed our fourth unit we are to reflect on what we have learned. Please go to the discussion area and answer the following questions. Your answer should be approximately 100-200 words. Also, please read through some of the other journal posts and comment on any areas where you are able to add new insight.

 Journal Questions:
 1- Using physic terms, how would you explain the difference between consonance and dissonance?
 2- Explain the difference between pythagorean, just, and tempered scales. 
 3- Are there any areas which are confusing you?  If so, what in particular?
 4- What do you look forward to learning more about?
 5- How do you plan on using this information in your musical career?

Talk:Journal Unit 4 Musical Scales

3) Practice Questions for Unit 4:

1. A musical instrument can be expressed as a ratio: (f2/f1) = (n/m)

What is n and m for:

(a) a musical fifth?

(b) a major third?

4-11: 1 SEE ANSWER

2. Start at the lowest note on the piano, A0, and play upward from that note for seven successive octaves. What note do you end up on?

4-11: 2 SEE ANSWER

3. Examine the pythagorean scale given in this unit. How many perfect fourths are possible from the eight notes of this scale?

4-11: 3 SEE ANSWER

4. A new equally tempered scale is invented with 16 steps spanning the octave from f to 2f. On this new scale, what is the frequency difference between the first note f and the fourth note of the scale?

4-11: 4 SEE ANSWER

Continue: #REDIRECT 5-1 Objectives

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