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Eighth Grade (Grade 8) Earth Science Questions

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Grade 8 Environmental Science
Which of the following would be the best place to tap into geothermal energy?
  1. volcanic Iceland
  2. the plains of Illinois
  3. the rain forests of Brazil
  4. mountainous Switzerland
Grade 8 Environmental Science
Which of the following is NOT a renewable source of energy?
  1. falling water
  2. natural gas
  3. wind
  4. sunlight
Grade 8 Environmental Science
To be potable means that the water is                                 .
  1. Turbid
  2. Fit to bath in but not to drink
  3. Not fit to drink or to bath in
  4. Fit to drink and use for bathing
Grade 8 Geomorphology
Grade 8 Environmental Science
Which of the following is a possible effect of high nutrient levels in a water system?
  1. Fish kills
  2. Increased water temperature
  3. Less algae
  4. Healthier fish
Grade 8 Oceanography and Hydrology
Grade 8 Environmental Science
Grade 8 Geomorphology
In what situation are the contour lines on a topographic map close together?
  1. where the slope is steep
  2. where the slope is gradual
  3. where the elevation is high
  4. where the relief is minimal
Grade 8 Environmental Science
Grade 8 Environmental Science
What does it mean when a scientist says a lake has a high turbidity?
  1. The water has a lot of particles in it.
  2. The water is very clear.
  3. The water is very basic.
  4. The water can support many organisms.
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