Lesson 4 Plate Tectonics

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