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Changing Earth Vocab
Changing Earth
question/term | answer/definition |
---|---|
Pangaea | huge continent that once existed that has since broken up |
evidence | something that can prove or disprove an idea or theory |
sonar | sound navigation and ranging a method for detecting and locating objects submerged in water by echo sounding |
fossil | remains, impressions, track or other evidence of living things |
plate boundary | point where 2 plates touch or meet |
tectonic plates | pieces of the Earth's rocky crust that rests and moves on the semi liquid mantle |
paleontology | scientific study of fossils |
gradual | taking place, changing, moving, etc. by small degress or little by little |
uniform | identical or consistent |
subduction | process in which one lithospheric plate slides under another |
uplift | pushing up of Earth's crust by forces within the Earth |
convection | transfer of thermal energy in a fluid (liquid or gas) in which warmer fluid rises and cooler fluids sink |
catastrophism | the principle that all geologic change occurs suddenly |
uniformitarianism | the idea that the same geologic processes that shape Earth today have been able to watch throughout Earth's history |
geological time scale | used to divide Earth's long history into smaller more manageable parts |