1. Read the article: How to Make a Pretty Rock
2. Students will write a constructed response to one of the following questions,
a. Compare and contrast nature-made and human-made gemstones.
b. How can you tell an artificial gemstone from a natural gemstone?
c. Compare and contrast diamonds and graphite.
d. Explain why diamonds are so hard.
3. Students will write their response and will color code their response.