Fossils
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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| Sedimentary rock | rock made of loose pieces of other rocks crushed together.
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| Original remains | actuall body parts of organisims
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| casts and molds | fossils made in sedimentary rocks
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| petrified wood | Stone fossil of a tree
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| fossil | Remains of living things from long ago
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| ice core | a tublar sample that shows layers of snow and ice
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| relative age | the age of an object or event in relatijon to other objects
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| carbon films | a film that is left on a rock and shows soft parts of an animal
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| trace fossils | not animal parts, rather evidence that an animal was there (foot print)
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| Tree rings | something that shows the age of trees
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| index fossils | fossils that existed for specific spans of time
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| absolute age | the exact age of a object or event
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| half life | the measurement of radioactive elements age
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| geologic time scale | divides earths history into intervals of time
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
barton1b37
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