Practice Quiz

FCAT Grade 8 Science Assessment Practice Questions - Question List

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81. Solar panels are an environmentally-friendly way of producing electricity. Modern solar panels can reach 15% efficiency for converting light into electricity. In Washington, the average sunlight is about 180 W/m2. If someone wants a solar panel capable of powering five 40-watt lights, how big will it need to be?
  1. 2 m2
  2. 4.5 m2
  3. 7.5 m2
  4. 10 m2
  5. 15 m2
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82. When the three curves of your spine are balanced, you are considered to have good what?
  1. Manners
  2. Physique
  3. Awareness
  4. Posture
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83. It contains four hollow chambers, made up of specialized cells; it is the driving force in the circulatory system.
  1. The heart.
  2. The lungs.
  3. The arteries.
  4. Isn’t this game over yet??
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84. Compared to succession, evolution is generally ___________.
  1. Slower
  2. Faster
  3. More organized
  4. Permanent
  5. Similar in rate
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85. Which of the following is not a biotic factor?
  1. Spider silk
  2. Crude oil
  3. Bone
  4. Straw
  5. Water
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