click below
click below
Normal Size Small Size show me how
Geologic Time Scale
8th Earth Science
Question | Answer |
---|---|
The scientific study of origin, history, and structure of Earth and the processes that shape it. | Geology |
The principle that states that all geologic change occurs suddenly. | catastrophism |
An ordered arrangement of rock layers that is based on the relative ages of the rocks and in which the oldest rocks are at the bottom. | Geologic Column |
The standard method used to divide Earth's long natural history into manageable parts. | Geologic Time Scale |
A principle that geologic processes that occurred in the past can be explained by current geologic processes. | Uniformitarianism |
The history of life in the geologic past as indicated by the traces of remains of living things. | Fossil Record |
The trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock. | Fossil |
The super-continent that formed 300 million years ago and that began to break up 200 million years ago. | Pangaea |