HG Vocab

Front

Exact age of an organism

Back

Absolute Dating

Front

Method to find the exact age of a living organism

Back

Carbon Dating

Front

Method to find the exact age of inorganic materials.

Back

Uranium Dating

Front

Time for half of parent material to decay

Back

Half-Life

Front

First geologic era

Back

Precambrian Era

Front

Current geologic era

Back

Cenozoic Era

Front

Fossil type that leaves an impression of an organism's death.

Back

Mold

Front

Fossil formed when a mold is filled by minerals.

Back

Cast

Front

Law stating lower layers are older.

Back

Law of Superposition

Front

Idea that everything happens at the same rate as always.

Back

Uniformitarianism