1. What is this? 1 2 3 4

2. 5) What are these patterns called? 6) Where are they located?

3. 7) What are these patterns. 8) Where are they located
7) What are these patterns? 8) Where are they located? 9) What kind of pattern(s) do humans have?

4. 10) What does this diagram show. 11) What stage is represented by #1
10) What does this diagram show? 11) What stage is represented by #1? 12) What stage is represented by #2? 13) What stage is represented by #3? 14) How long does stage 1 last? 15) How long does stage 2 last? 1 3 2

5. 16) How is a natural fiber different from a manufactured fiber
16) How is a natural fiber different from a manufactured fiber? 17) List some examples of natural fibers (at least 3). 18) List 4 examples of manufactured fibers. 19) What types of characteristics would you look at under a microscope for natural fibers? 20) How would you examine a manufactured fiber? (what kinds of test would you perform?)