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Terms and meanings

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show 4.6 billion years old  
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Catastrophism   show
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show massive floods, super volcanoes, mega earthquakes  
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show when many species die out in a short period of time  
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Uniformitarianism   show
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Examples of uniformitarianism   show
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James Hutton   show
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show Earth's history divided by major events and changes on Earth  
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show A fossilized mark that is formed in soft sediment by the movement of an animal.  
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show The remains or physical evidence of an organism preserved by geological processes.  
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sedimentary rock   show
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show Hard-parts -- like bones and shells  
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show Fossils that are used to date a layer of rock or other nearby fossils  
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