Practice Quiz

NAEP Science Grade 12 - Question List

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16. An unusual type of fossil clam is found in rock layers high in the Swiss Alps. The same type of fossil clam is also found in the Rocky Mountains of North America. From this, scientists conclude that
  1. glaciers carried the fossils up the mountains
  2. the Rocky Mountains and the Swiss Alps are both volcanic in origin
  3. clams once lived in mountains, but have since evolved into sea-dwelling creatures
  4. the layers of rocks in which the fossils were found are from the same geologic age
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17. A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?
  1. Frequency
  2. Amplitude
  3. Wavelength
  4. Speed in air
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18. Which is a function of a neuron?
  1. It carries oxygen to other cells.
  2. It secretes digestive enzymes.
  3. It removes foreign particles from the bloodstream.
  4. It receives signals from the internal and external environments.
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19. A newspaper article reported that a fossil was found that was 200,000 years old according to generally accepted radioactive dating procedures. A letter to the editor of the newspaper disputed the accuracy of the age determination because the fossil was found closer to the Earth's surface than were previously discovered fossils of the same age. Which of the following would be an appropriate argument against the letter writer's claim?
  1. Older rock layers commonly lie deeper underground than younger ones.
  2. Older rock layers may be pushed closer to the surface by geologic processes.
  3. The age of a rock layer can often help in determining the age of the fossils it contains.
  4. Fossils form only under certain conditions.
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20. Which pair of systems regulate and coordinate body functions?
  1. Excretory and digestive
  2. Nervous and endocrine
  3. Skeletal and muscular
  4. Immune and respiratory
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