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Search Results for subduction - All Grades

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Grade 9 Earth's Layers
What is the name of the area where seafloor plate H is moving under continental plate E?
Subduction Zone
  1. Divergent boundary
  2. Subduction Zone
  3. Mid-Ocean Ridge
  4. Rift Valley
Grade 9 Volcanoes
Of the following locations, where would the volcano shown be most likely to develop?
Volcano - Fissure Vent - Small
  1. transform fault
  2. subduction zone
  3. mantle hot spot
  4. mid-ocean ridge
Grade 7 Tectonics
When an oceanic plate slides under a continental plate, what is usually formed?
  1. continental drift
  2. seafloor spreading
  3. subduction zone
  4. mountain range
  5. all of the above
Grade 7 Tectonics
When an oceanic plate slides under a continental plate, what is usually formed?
  1. continental drift
  2. seafloor spreading
  3. subduction zone
  4. mountain range
  5. all of the above
Grade 9 Tectonics
A volcanic island arc is a chain of volcanic islands
  1. created in subduction zones.
  2. near Italy.
  3. created by Mount Etna.
  4. created in the middle of oceans.
Grade 11 Oceanography and Hydrology
This is the continuous submarine mountain chain that encircles the globe.
  1. The Mid-Oceanic Ridge system
  2. The Subduction System
  3. The Continental Margin
  4. The Sea Valley Floor
Grade 11 Oceanography and Hydrology
Island arcs form along
  1. subduction zones.
  2. rapidly spreading mid-ocean ridges.
  3. transform faults.
  4. wide continental shelves.
Grade 12 Tectonics
A rift valley does NOT form at a(n)                            .
  1. site of continental rifting
  2. divergent plate boundary
  3. mid-ocean spreading center
  4. subduction zone
Grade 11 Tectonics
Island arcs form along                                    .
  1. subduction zones.
  2. rapidly spreading mid-ocean ridges.
  3. transform faults.
  4. wide continental shelves.
Grade 9 Volcanoes
Volcanic mountains tend to form on
  1. continental crust near a subduction zone.
  2. on convergent plate boundaries.
  3. on divergent boundaries.
  4. volcanoes in the Aegean sea.
Grade 9 Tectonics
The Andes Mountain Range and Andean Volcanic Belt line the western side of South America. Based on this information and the map, which statement best describes the plate boundary interaction along the west coast of South America?
Tectonic Plates With Labels
  1. The Nazca plate is subducting under the South American plate.
  2. The South American plate is subducting under the Nazca plate.
  3. The Nazca plate and South American plate interact along a transform boundary.
  4. The South American plate and Nazca plate interact along a divergent boundary.
Grade 7 Oceanography and Hydrology
A trench is
  1. an undersea mountain chain.
  2. a boundary where the ocean and land meet.
  3. a V-shaped valley on the ocean floor where old floor is subducted.
Grade 7 Oceanography and Hydrology
A trench is
  1. undersea mountain chain.
  2. boundary where the ocean and land meet.
  3. V-shaped valley on the ocean floor where old floor is subducted.
Grade 8 Tectonics
Place the following events in a hypothetical order that could explain the origin of an earthquake. Label the first event with letter "A".
__ Subducting plates cause faults. A. D
__ Jerks along the fault create an earthquake. B. A
__ Rocks along the fault suddenly fracture. C. B
__ One plate subducts beneath the other. D. E
__ Aftershocks are released. E. F
__ A fault locks up and builds up stress. F. C
Grade 8 Tectonics
A deep-ocean trench is shown on the diagram at I.
Subduction Zone
Oceanic crust rock samples are collected at I and J. Which relative ages of the rock samples would provide evidence that the seafloor is spreading mid-ocean and being recycled at the trench?
  1. Sample J is older than Sample I.
  2. Sample I is older than Sample J.
  3. Sample I and Sample J are the same age and old.
  4. Sample I and Sample J are the same age and young.
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