Question
click below
click below
Question
Normal Size Small Size show me how
Science Test 3
Question | Answer |
---|---|
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 |