Lesson 4 Plate Tectonics

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Across
  1. 3. Form when two plates collide
  2. 6. A boundary at which two plates move past each other horizontally
  3. 7. To explain the age and magnetic patterns of sea-floor rocks, scientists proposed a proposal
Down
  1. 1. The lithosphere is divided into pieces
  2. 2. The continents were joined in a single large landmass
  3. 3. This kind of movement of material due to difference in density
  4. 4. Two plates move away from each other
  5. 5. Describes large-scale movements of Earth's lithosphere, which is made up of the crust and the rigid, upper part of the mantle