science 7b mid term Word Scramble
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Question | Answer |
second longest division of geologic time | era |
model that describes how rocks slowly change over time | rock cycle |
fossil used to compare relative ages of fossils | index fossils |
natural process of laying down sediment on the ground or at the bottom of water | deposition |
determining the age of an object in years | absolute dating |
fossil that provides evidence of activities of ancient organism making foot prints, tracks, etc. | trace fossil |
largest division of geologic time | eon |
rock that forms from the cooling and solidification of lava at surface | extrusive igneous rock |
third largest division of geologic time | period |
the chemical makeup of rock | composition |
rock that is formed when sediments are compacted and cemented together | sedimentary rock |
the process by which wind, water, ice, or gravity transports soil and sedments from one location to another | erosion |
Created by:
tp2212
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