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6 Written Questions

6 Multiple Choice Questions

  1. older layers = lower; younger layers = upper
  2. specific age of rock or fossil; example - rock layer A is 25 myo
  3. comparison; younger vs. older; not exact
  4. fossils usually found in this type of rock
  5. layer eroded away, then new layers formed above
  6. magma squeezed up from below; younger than layers it cuts through

6 True/False Questions

  1. birdsRobert Bakker and other paleontologist think dinosaurs evolved into this


  2. extinctgone forever; examples - dinosaurs, trilobites


  3. 4.6 billion years oldage of Earth based on age of oldest rocks found


  4. trilobitetime for half # of radioactive atoms to change (decay) into different type of atoms


  5. trace fossilevidence left by living thing long ago; examples - tracks, tunnels, turds, nests, etc.


  6. uniformitarianismgeology that happened in past, happens now, and will in future too; constant change in Earth; James Hutton idea


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