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Chapter 4

Views of earth's past

TermDefinition
Fossils a trace or the remains of a once-living thing from long ago.
Original remails give clues about the past
ice core sample that is typically removed from an ice sheet, most commonly from the polar ice caps of Antarctica, Greenland or from high mountain glaciers elsewhere.
Relative age dating is the science of determining the relative order of past events
index fossil a fossil that is useful for dating and correlating the strata in which it is found.
absolute age fossil or geologic event expressed in units of time, such as years. A good example is your birthday.
half life the time required for any specified property
uniformitarianism the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.
Geological time scale is a system of chronological measurement that relates stratigraphy to time
Created by: Foreign.Royalty