Plate Tectonic

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Across
  1. 3. Occur when a gap in earth's surface releases materials such as magma
  2. 4. Natural movements or vibrations that occur when the crust of the earth shifts
  3. 6. Explains how landmarks and natural disasters form and how they are linked together
  4. 7. Vibrations mainly caused by the release of energy during an earthquake
Down
  1. 1. Fracture of zones of fractures between two blocks of rocks
  2. 2. Occurs when there is movement along the floor of the ocean
  3. 5. Instruments used to measure seismic waves
  4. 6. The fastest seismic wave