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science

definitions

TermDefinition
fossil a dead organism that has been preserved on some natural resources
metamorphic rocks that have been made from pressure of other rocks
sedimentary rocks that are formed by other rocks sitting on top of them then coming together.
igneous these are rocks that are formed by lava and magma (molten rock)
mold a mold is a imprint of something that doesn't stick out.
cast is a copy of a mold that sticks out.
paleontologist someone that studies the history of life using the fossil record
absolute dating this is when you know the exact age of something
relative dating when you know how old something is based on something elses age.
Law of Uniformitarianism he assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe.
law of superposition The larger the rock fell to the bottom and the smaller the rock the more it was at the top.
fossil record how we know about things of the past like fossils
Created by: ihdfisdf
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