Practice Quiz

FCAT Grade 8 Science Assessment Practice Questions - Question List

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16. Of the group 2 alkaline-earth metals, which is the most reactive?
  1. Beryllium
  2. Magnesium
  3. Calcium
  4. Strontium
  5. Barium
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17. Which of the following statements best defines carbon sequestration?
  1. The holding of carbon in rock, biomass, or mineral formations.
  2. The use of carbon by plants to produce oxygen.
  3. The use of carbon by humans in building materials.
  4. The natural production of fuel by the sun.
  5. None of the above.
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18. Crude oil, which is refined into petroleum, is found in layers of permeable rock. How was crude oil formed?
  1. Carbonization.
  2. Shift of the crust.
  3. Heat and pressure from overlying layers of sediment.
  4. Microbial fermentation.
  5. Burning by the earth’s core.
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19. Which of the following is not a qualitative aspect of a mineral?
  1. Hardness
  2. Luster
  3. Crystal form
  4. Edibility
  5. Specific gravity
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20. The reactions that provide energy and heat in the sun, or any star, are:
  1. Fusion reactions.
  2. Fissile reactions.
  3. Implosive reactions.
  4. Replacement reactions.
  5. Radioactive reactions.
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