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5 Written questions

5 Matching questions

  1. petrified fossil
  2. epochs
  3. birds
  4. body fossil
  5. extinct
  1. a actual creatures or parts of them from the past (bones, whole insects in amber, wooly mammoths in ice, etc.)
  2. b smallest amounts of geologic time; some time periods are broken up into several of these; examples: Pennsylvanian and Missippian
  3. c most paleontologists think feathered dinosaurs evolved into these
  4. d gone forever; examples - dinosaurs, trilobites
  5. e living thing dies and body / parts slowly replaced by minerals; example - logs, bones, shells

5 Multiple choice questions

  1. volcanic lava layer on surface (igneous rock)
  2. magma squeezed up from below; cools slowly underground to form igneous rock with larger crystals such as granite; younger than layers it cuts through
  3. comparison; younger vs. older; not exact
  4. layer eroded away , then new layers formed above; missing part of fossil record
  5. geology that happened in past, happens now, and will in future too; constant change in Earth; James Hutton idea

5 True/False questions

  1. law of superpositionolder layers = lower; younger layers = upper

          

  2. radioactive decayone element changes over time to another element; gives off energy; used to figure out how old rocks/fossils are

          

  3. time periodseven smaller amounts of geologic time; an era is broken up into several of these; examples: Cambrian, Silurian, Devonian

          

  4. sedimentaryfossils usually found in this type of rock

          

  5. one- celledeven smaller amounts of geologic time; an era is broken up into several of these; examples: Cambrian, Silurian, Devonian