Lesson 4 Plate Tectonics

12345678
Across
  1. 2. The lithosphere is divided into pieces
  2. 5. A boundary at which two plates move past each other horizontally
  3. 6. Form when two plates collide
  4. 8. The continents were joined in a single large landmass
Down
  1. 1. Describes large-scale movements of Earth's lithosphere, which is made up of the crust and the rigid, upper part of the mantle
  2. 3. This kind of movement of material due to difference in density
  3. 4. Two plates move away from each other
  4. 7. To explain the age and magnetic patterns of sea-floor rocks, scientists proposed a proposal