| Geological Time Periods and Rock Strata Worksheet | 
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| www.studenthandouts.com ↣ Science ↣ Earth Science | 
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This worksheet, for grades 3-6, explains rock strata and how time periods are determined by fossils. Click here to print. Answer Key: (1) D - strata; (2) C - Neogene; (3) A - fossils; (4) B - Mesozoic; (5) Dora's.  | 
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| www.studenthandouts.com ↣ Science ↣ Earth Science | 


















