Earth and Life Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| oxygen | gas produced by anaerobic prokaryotes during Precambrian tine
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| paleontologist | a scientist who studies fossils and ancient life
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| rock cycle | the process involving the formation and recycling of rock
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| metamorphic rock | rock formed when existing rock is squeezed or partially melted
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| catastrophism | the idea the geologic events occur suddenly
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| Cenozoic era | era dominated by mammals
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| anaerobic | living without oxygen
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| Precambrian time | period when there was no oxygen in the Earth's atmosphere
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| Paleozoic era | era when plants and animals first lived on land
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| ozone | forms a layer in the atmosphere that shields solar radiation
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| extinct | when all of the members of the species die
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| sedimentary rock | rock formed when sediment is lithified
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| uniformitarianism | the idea that geological processes that occur today also occurred in the past
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| mass extinction | when a large number of a species die in a short period of time
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| geologic time scale | organizes the history of life on Earth plate tectonics
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| igneous rock | rock formed when lava or magma cools
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| Pangaea | a large landmass that contained all the present day continents
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| superposition | principle that states younger rocks are on top of older rocks
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| fossil | the solidified remains or imprints of once living organisms
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| absolute dating | dating method that determines a fossil or events exact age
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| relative dating | dating method that compares the age of one specimen or event to another
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| erosion | when sediment is carried away, usually by wind or water
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| weathering | the gradual breakdown of rock. usually by wind or water
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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