7th: Geological Change Over Time Flashcards
1
Q
Uniformitarianism
A
The principle of uniformitarianism states that geologic processes that happened in the past can be explained by current geological processes.
2
Q
Fossil
A
Fossils are the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
3
Q
Trace Fossil
A
A trace fossil is a fossilized structure that formed in sedimentary rock by animal activity on or in soft sediment.
4
Q
Climate
A
The climate of an area describes the weather conditions of an area over a long period of time.
5
Q
Ice Core
A
Scientists can drill down into icecaps to collect a long cylinder of ice, called an ice core.
