Tectonics Forces

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Across
  1. 3. the distortion, bending, stretching, or compression of a material under pressure
  2. 5. An upward force on a less dense object in a denser material
  3. 7. A contact force that acts to squeeze or crush an object
  4. 8. The stress that occurs when two objects rub against each other
  5. 9. Forces that act to pull an object apart
  6. 11. An instrument that measures earthquake waves
Down
  1. 1. Locations of subduction and mountain building
  2. 2. The location of sea-floor spreading and rift valleys
  3. 4. The margins between two tectonic plates that are sliding in opposite directions parallel to the margin
  4. 6. A measure of force exerted within an object
  5. 10. Any kind of shaking of the ground measurable by seismic instruments