Practice Quiz

FCAT Grade 8 Science Assessment Practice Questions - Question List

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6. The Montreal Protocol was established in 1989. It was an environmental protocol that mandated a reduction in the production of:
  1. Sulfides
  2. Chlorofluorocarbons
  3. Acid rain
  4. Carbon dioxide
  5. Ozone
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7. According to the principle of superposition in stratigraphy, rock layers that are the oldest are:
  1. Found near the surface.
  2. Found just under the surface.
  3. Found in the lowest layer.
  4. In the core of the earth.
  5. Unable to be reached by mankind.
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8. Radiodating is the use of radioactive elements to roughly determine the age of a layer of sediment. The amount of radioactive element remaining is compared to its ‘daughter element’, the element that it becomes after radioactivity ceases. Which of the following pairs of radioactive: daughter elements is correctly paired?
  1. Thorium à Radium
  2. Uranium à Lead
  3. Potassium à Helium
  4. Francium à Argon
  5. Rubidium à Lead
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9. Tracy dissolves 2.5 grams of hydrochloric acid (HCl) into 1 liter of water. What is the pH of the solution?
  1. 1.1
  2. 1.6
  3. 1.9
  4. 2.5
  5. 3.1
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10. Which of the following layers is directly beneath the Earth’s crust?
  1. Upper mantle
  2. Outer core
  3. Inner core
  4. Molten region
  5. Biosphere
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