lesson 3

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Across
  1. 4. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
  2. 5. boundary: places where plates slide sideways past each other.
  3. 6. the result of physical stress acting upon an object, causing a change in the shape of that object.
  4. 7. the rigid outer part of the earth, consisting of the crust and upper mantle.
Down
  1. 1. boundary: occurs when two tectonic plates move away from each other.
  2. 2. boundary: When two plates come together
  3. 3. plates: massive slab of solid rock made up of Earth's lithosphere (crust and upper mantle