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120-Cobbles, Major River $7.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLE:
- Several rounded stream cobbles

TEACHING OBJECTIVE:
- To introduce the concepts of erosion and of sediment movement by rivers

GRADES 1-4
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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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