Chapter 5 Vocabulary Test Crossword
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
 
 
Down: 1) A principle that geologic processes that occurredin the past can be explained by current geologic processes3) A type of fossil that forms when sediments fill in the cavity left by a decomposed organism6) a fossilized mark that formed in sedimentary rock by movement of an animal on or within soft sediment8) A subdivision of geologic time that is longer than an age but shorter than an era9) Any method of meauring the age of an event or object in years11) the death of every member of a species12) the approximate age of fossils or other objects in rock layers determined by comparing whether the surrounding rock layers are younger or older13) The trace or remains of an organism that ived long ago, most commony preserved in sedimentary rock. Across: 2) The largest division of geologic time4) An ordered arrangement of the rock layers that is based on the relative ages of the rocks and in which the oldest rocks are at the bottom5) A principle that states that geologic change occurs suddenly7) Any method of determining whether an event or object is older or younger than other events or objects10) the standard method used to divide Earth's long natural history into manageable parts14) The scientific study of fossils
 

 

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