A page from the "Causes of Color" exhibit...
Lesson 2 (Gemstones)
| Discipline: |
Earth Science |
| Grades: |
9 - 12 |
| Objectives: |
to identify causes of color in gemstones, |
| Time frame: |
one week |
| Materials: |
Computers online and connected to the Internet and printer |
Lesson 2: Explore Gemstones and make nodemaps.
Author: Margaret Stenerson
Why are diamonds colorless, rubies red, and emeralds green? Your students can discover answers to these questions and others by exploring Causes of Color, doing hands-on activities, and mind mapping and communicating what they learn using fun, interactive nodemaps.
Read background on the physical causes of color, the colors of gemstones, use of nodemaps, relevance to standards and benchmarks, and vocabulary. Go »
Go to the lesson plan for High School students, designed for approximately one week. Go »