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081-Sand, Three Kinds Grades 3-8 $12.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLES:
- Black sand from beaches in Hawaii and derived from volcanic basalt that has been ground up in the surf
- Soft, white sand composed of the mineral gypsum (softness = 2 on the Mohs' Mineral Hardness Scale) from sand dunes at the White Sands National Monument
- Sand from beaches in Florida (or other place) composed entirely of small, but visible pieces of shells and other hard parts of shoreline organisms

TEACHING OBJECTIVES:
- To introduce the concept that sand is produced in nature by a variety of “tools”, such as ocean surf and wind
- To show that sand can vary in composition, and depends upon the type of rock nearby that it is made from
- To give young children a global feel for earth processes (the sands come from areas that are widely different and very far apart)

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Ruth Deike
Rock Detective Geoscience Education
395 Deer Run Drive
Nellysford , VA 96080
Phone: 434-263-3737

EMAIL:

 
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