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Eighth Grade (Grade 8) Tectonics Questions

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Grade 8 Tectonics
This map is most useful for identifying                     .
Tectonic Plates No Labels
  1. biomes
  2. continents
  3. tectonic plates
  4. global wind patterns
Grade 8 Tectonics
Which scientific theory is best represented by the diagram?
Fault - Thrust
  1. Big Bang
  2. Evolution
  3. Plate Tectonics
  4. Continental Drift
Grade 8 Tectonics
Explains how sections of the crust collide, move apart, and slide past each other.
  1. Oceanic crust
  2. Plate tectonics
  3. Climate change
  4. Pangaea
Grade 8 Tectonics
Subduction zones occur where
  1. oceanic plates move apart.
  2. continental plates move apart.
  3. an oceanic plate slides underneath a continental plate.
  4. a continental plate collides with another continental plate.
Grade 8 Tectonics
The theory that Earth's upper mantle and crust is broken into plates that float and move around on the mantle is
  1. continental drift.
  2. seafloor spreading.
  3. plate tectonics.
  4. evolution.
Grade 8 Tectonics
Which of the following does evidence indicate is an explanation for plate motion?
  1. convection currents
  2. rift valleys
  3. weather patterns
  4. earthquakes
Grade 8 Tectonics
What was Wegener's idea that the continents slowly moved over Earth's surface?
  1. Pangaea
  2. Continental drift
  3. Plate tectonics
  4. Fossils
Grade 8 Tectonics
In diagram shown, what does the letter G best represent?
Subduction Zone
  1. oceanic crust
  2. continental crust
  3. mantle conduction
  4. mantle convection
Grade 8 Tectonics
Tectonic plates move approximately this far each year.
  1. one foot
  2. one inch
  3. one yard
Grade 8 Tectonics
New ocean crust is formed at
  1. divergent boundaries.
  2. convergent boundaries.
  3. continental volcanic arcs.
  4. transform fault boundaries.
Grade 8 Tectonics
What is earthquake intensity?
  1. a measure of energy released
  2. a measure of seismic risk
  3. a measure of damage
  4. a measure of an earthquake's focus
Grade 8 Tectonics
What measures an earthquake's magnitude?
  1. Mercalli scale
  2. Interval scale
  3. Richter scale
  4. Ratio scale
Grade 8 Tectonics
The                 is where about 80% of earthquakes occur.
  1. Antarctic Plate
  2. Ring of Fire
  3. Hot Spot
  4. Epicenter
Grade 8 Tectonics
What is the hypothesis that continents have slowly moved to their current locations?
  1. magnetic reversal
  2. continental drift
  3. continental slope
  4. convection
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