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5 Written questions

5 Matching questions

  1. unconformity
  2. trace fossil
  3. relative age
  4. petrified fossil
  5. epochs
  1. a living thing dies and body / parts slowly replaced by minerals; example - logs, bones, shells
  2. b smallest amounts of geologic time; some time periods are broken up into several of these; examples: Pennsylvanian and Missippian
  3. c comparison; younger vs. older; not exact
  4. d evidence left by living thing long ago; examples - tracks, tunnels, turds, nests, etc.
  5. e layer eroded away , then new layers formed above; missing part of fossil record

5 Multiple choice questions

  1. one element changes over time to another element; gives off energy; used to figure out how old rocks/fossils are
  2. most paleontologists think feathered dinosaurs evolved into these
  3. specific age of rock or fossil; example - rock layer A is 25 myo; figured out by radioactive dating
  4. magma squeezed up from below; cools slowly underground to form igneous rock with larger crystals such as granite; younger than layers it cuts through
  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. extrusionvolcanic lava layer on surface (igneous rock)


  2. eonslongest amounts of geologic time


  3. half-lifetime for half # of radioactive atoms to change (decay) into different type of atoms


  4. time periodsmost paleontologists think feathered dinosaurs evolved into these


  5. law of superpositionhuge #s of living things dying off at one time; usually a tragic event that changes environment / climate fairly quickly causes it