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047-Gryphaea Grades 3-10 $12.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLES:
-- A nearly complete specimen of Gryphaea (Cretaceous) showing thick shell

TEACHING OBJECTIVES:
-- To introduce Gryphaea, a well-known Cretaceous fossil oyster (Mollusca).
-- To introduce the concept that animals evolve to fit their environment (in this case, the thick shell protects animal from the surf).
-- To stimulate thought about why a species becomes extinct.

GRADES 3-10		 47.jpg
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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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