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Twelfth Grade (Grade 12) Earth Science Questions

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Grade 12 Earth's Layers
Earth's core is made of                    .
  1. carbon and iron
  2. helium and hydrogen
  3. nickel and iron
  4. carbon and helium
Grade 12 Oceanography and Hydrology
What is the name of the cycle that includes the steps: evaporation, condensation, and precipitation?
  1. The Krebs Cycle
  2. The Water Cycle
  3. The Carbon Cycle
  4. The Lunar Cycle
Grade 12 Tectonics
Grade 12 Tectonics
What does the plate tectonics theory tell us?
  1. continental crust "plows through" oceanic crust.
  2. oceanic crust "slides over" continental crust.
  3. lithospheric plates move.
  4. tectonic forces cause the most damage in the center of the plates.
Grade 12 Tectonics
A tectonic plate segment includes
  1. all of the mantle.
  2. the crust and the asthenosphere.
  3. the upper mantle and the crust.
  4. the mantle and the core.
Grade 12 Tectonics
In comparison to earthquakes at subduction zones, earthquakes at divergent boundaries tend to be                            .
  1. shallower and less intense.
  2. deeper and less intense.
  3. deeper and more intense.
  4. shallower and more intense.
Grade 12 Environmental Science
Grade 12 Tectonics
Many of Earth's strongest earthquakes occur in                     .
  1. spreading centers
  2. subduction zones
  3. divergent boundaries
  4. ocean ridges
Grade 12 Atmosphere
Grade 12 Environmental Science
Which is a fossil fuel?
  1. Charcoal
  2. Biodiesel
  3. Crude Oil
  4. Iron
Grade 12 Tectonics
Transform plate boundaries move                      .
  1. toward each other.
  2. away from each other.
  3. vertically.
  4. horizontally.
Grade 12 Earth's Layers
Grade 12 Environmental Science
What frequencies of electromagnetic radiation are absorbed by the ozone layer?
  1. Microwaves
  2. Visible light
  3. Ultraviolet light
  4. Radio waves
Grade 12 Environmental Science
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