Fossils - Preserved remains or traces of animals, plants, and other organisms from the remote past., Sedimentary - Fossils are found in this type of rock., Fossil Formation - burial, sediment build up, and long period of time, Law of Superposition - Newest rock layers are on top., Fossil Record - History of life as documented by fossils, Index Fossil - Easily recognizable, abundant, wide spread, lived in a short period of time, Absolute Age - Most accurate form of dating a rock or fossil, Strata - Layers of rock, Relative Age - The age of rock as compared with another rock, Radioactive Dating - Relies on the property of half-life , Petrification - Organic material converting to stone, Mold - Organism dies and there is no filling of the cavity with minerals, Geology - the science that deals with the earth's physical structure, Paleontology - the branch of science concerned with fossil animals and plants, Cenozoic - The current era,
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Geologic Time Scale
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Katinapeck
8th Grade
Science
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