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Fossils 7063b

Fossil Facts

QuestionAnswer
Relative Age The age of something compared with other things.
Unconformity Gap in the rock layer that is due to erosion or periods without any deposition.
Absoluute Age Age, in years , of a rock or other object; can be determined by using properties of the atoms that make up materials.
Radioactive Decay Process in which some isotopes break down into other isotopes and particles.
Half-life Time it takes fo half the atoms of an isotope to decay.
Radiometric Dating Procaess used to calculate the absolute age of rock by measuring the ratio of parent isotope to daughter product in a mineral and kinowing the half-life of a parent.
Uniformitariism Principle stating that Earth processes occuring today are similar to those that occured in the past.
Created by: 7063b
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