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5 Written questions

5 Matching questions

  1. Divergent Boundary
  2. Geologic Time Scale
  3. Mesozoic Era
  4. Absolute Dating
  5. Inner Core
  1. a Determining the actual age in years of an object ("Exact").
  2. b The DENSEST layer of the Earth that is made of a solid ball of iron.
  3. c A timeline of earth's history. It correlates the existence of life on Earth with geological events, such as mass extinctions.
  4. d The era of the Geologic Time Scale when the dinosaurs both appeared and became extinct.
  5. e When two plates move away from each other. They cause sea-floor spreading, such as the Mid Atlantic Ridge.

5 Multiple choice questions

  1. An underwater mountain chain in the Atlantic Ocean caused by sea-floor spreading.
  2. Long cylinders of ice used to study Earth's atmosphere. Trapped gases and dust inside the ice cores tell scientists when volcanoes erupted and how the climate used to be.
  3. The current era of the Geologic Time Scale. It is when mammals and humans first appeared.
  4. The LEAST dense layer of the Earth. It is where life exists and is made up of continental and oceanic crust.
  5. The gradual change in a species over time.

5 True/False questions

  1. Law of SuperpositionA law that states in an undisturbed rock layer, the oldest rocks are always on the bottom and the youngest rocks are always on top.

          

  2. Geologic ChangeChanges in earth's land, such as mountains, volcanoes, and earthquakes.

          

  3. WeatheringAny inherited trait that gives an organism an advantage in its environment.

          

  4. UnconformityA science word for "heavy." More dense things sink, less dense things float.

          

  5. Index FossilA fossil embedded in a rock layer. The age of the rock layer is the same age as the fossils embedded in it.

          

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