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Science Test 3

What are the 4 different types of fossils 1) Petrified 2) Molds and Casts 3) Carbon Films 4) Trace
What are the 3 different ways a fossil can be preserved 1) Amber 2) Ice 3) Tar
What is relative age The age of that rock compared to other rocks
What is absolute age The number of years since the rock has formed
What is the law of superposition Determines the relative rocks ages of sedimentary rock layers
What periods are in The Paleozoic era (In order) 1) Cambrian 2) Ordovician 3) Silurian 4) Devonian 5) Carboniferous (Mississippi& Pennsylvania) 6) Permian
What are the periods in the Mesozoic era (In order) 1) Triassic 2) Jurassic 3) Cretaceous
What are the periods in the Cenozoic era (In order) 1) Tertiary 2) Quaternary
Created by: Gunicorn123