結晶と宝石: 鉱物と宝石の識別

Class 1: How rocks and minerals are formed will be explored  and the three main types of rock identified: Igneous, metamorphic and sedimentary. 
Students will learn how to identify these types of rock as a basis for later identifying minerals and gems. 
Knowledge will be assessed through use of a KWL chart and a review game at the end of the lesson. 
No homework for class 1. 
Class 2: 
 Students will be guided through a demonstration using the MOHS scale of hardness.
Students will learn what to collect to create a toolbox of their own. They will be given a handout out of the MOHS scale and instructions to put together their own kit. 
Homework assignment: to collect the materials on the list. Most are easily found in any household. 
Class 3: 
Students will  discover other tests utilized to help identify the properties of various minerals. These will include use of UV light, and chemical tests. They will observe demonstrations of each. A discussion about the reactions and results will conclude the class. Homework Assignment: Collect a few rocks from the ground in your neighborhood to analyze at the last class meeting. add afew items to your testing kit. (Only common, non-toxic, household items will be included). 
Class 4: 
 Students will test stones they have collected and analyze the results, using items in their test kits. The class will collaborate and discuss on the decisions to identify the rocks. 
We will play a game of Jeopardy to review the things we have learned in this class.