NAEP Science Grade 12 - Question List

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31. Which statement about the offspring that result from sexual reproduction is generally true?
  1. The offspring show genetic variation from the parents.
  2. The offspring have genetic material identical to that of one another.
  3. The offspring have genetic material identical to that of one of the parents.
  4. The offspring have twice as much genetic material as each parent.
32. Household appliances convert electricity into one or more different forms of energy. An electric fan can best be described as converting electricity into
  1. heat energy only
  2. heat energy and sound energy only
  3. heat energy, sound energy, and mechanical energy only
  4. heat energy, sound energy, mechanical energy, and chemical energy
33. The two most abundant elements in the Solar System are
  1. hydrogen and helium
  2. hydrogen and calcium
  3. calcium and iron
  4. helium and iron
34. Animals that reproduce sexually differ from animals that reproduce asexually in that sexually reproducing animals have
  1. a larger number of offspring
  2. more genetic variation among their offspring
  3. offspring that are nearly identical to their parents
  4. offspring that are perfectly adapted to their parents' habitat
35.
A hypothesis provides which of the following in a scientific investigation?
  1. A question that can be answered by researching existing literature.
  2. A format for outlining the approach to be used in the investigation.
  3. A summary of previous research on the topic being investigated.
  4. A proposed explanation for the phenomena being investigated.

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