Middle School Unit

Purpose: Designed to enhance elementary lessons and introduce new crystal concepts.

Outline of Topics

A.  Review Elementary Lessons

B. Classification activities
1. Sample lesson plan to classify pictures
2. Varieties of potato chips-http://ofcn.org/cyber.serv/academy/ace/sci/cecsci/cecsci143.html

C. Define terms-http://www.tulane.edu/~sanelson/geol211/introsymmetry.htm
     Applies terms in lesson-http://www.sdnhm.org/kids/minerals/grow-crystal.html
     crystal-mineral-solution-saturated-unsaturated-precipitate-unit cell-lattice-radial symmetry
     -spherical symmetry-bilateral symmetry

D. Mineral classification
1.  Initial lesson-http://ofcn.org/cyber.serv/academy/ace/sci/cecsci/cecsci203.html
2.  Minerals-http://www.sdnhm.org/kids/minerals/index.html
3.  Minerals-http://web.wt.net/~daba/Mineral/

E. Lab on Mohs Hardness Scale
1. Sample lab-http://www.mcli.dist.maricopa.edu/aaim/linear/L0.html
2. Sample lab-http://www.amfed.org/t_mohs.htm

F. Describe the seven basic crystal structures-http://forum.swarthmore.edu/alejandre/

G. Build models of crystals
1. Tessellations
2. Lego models of crystals
3. Gum drop models

H. Crystal lessons
1. Conditions for growing crystals
2. Grow Crystals
3. View crystals

I. Integration ideas
1. Increase depth of elementary integration ideas
2. Biology-examine natural symmetry

National Science Content Standards
Grades 5-8:  Addressed by Unit

A. Science as Inquiry
1. Abilities necessary to do scientific inquiry
2. Understandings about scientific inquiry

B. Physical Science
1. Properties and changes of properties in matter

C. Life Science
1. Structure and function in living organisms

D. Earth and Space Science
1. Structure of the earth system
2. Earth’s history

E. Science and Technology
1. Abilities of technological design

F. Science in Personal and Social Perspectives
1.  Science and technology in society