Practice Quiz

NAEP Science Grade 12 - Question List

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66.
During which of the following epochs was Long Island, Cape Cod, and Martha's Vineyard formed?
  1. Eocene
  2. Miocene
  3. Pliocene
  4. Pleistocene
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67.
The extensive coal beds that formed during the Pennsylvanian period are primarily made from:
  1. The compressed remains of microscopic marine organisms.
  2. Solidified oil deposits that were slowly heated over millions of years.
  3. The fossilized remains of swamp vegetation.
  4. Lithified mud deposited when shallow seas covered parts of North America.
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68.
Measuring the age of a lava flow by radiometric dating requires:
  1. Comparing the proportion of radioactive parent isotope to stable daughter product in the rock.
  2. Assessing the level of radioactivity emitted by the isotopes in a sample of the rock with a Geiger counter.
  3. Evaluating the changes in the rock's mineral structure to determine the sample's exposure to ionizing radiation.
  4. Analyzing changes in the atomic number of the radioactive isotopes in the rock by measuring beta and alpha emissions from a sample.
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69.
Graded bedding in a sedimentary rock is an indication of which of the following depositional environments?
  1. Desert
  2. High-energy beach
  3. Marginal marine
  4. Alluvial fan
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70.
Water in its solid form is less dense than water in its liquid form. This characteristic is primarily a result of the:
  1. Rigid three-dimensional structure of ice that keeps water molecules from getting too close to each other.
  2. High viscosity of liquid water that makes its molecules more closely packed than other liquids.
  3. Internal kinetic energy of ice that keeps the molecules in ice relatively far apart due to their rapid vibration.
  4. High heat capacity of liquid water that allows it to store energy with only a small change in volume.
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