Across
- 4. the result of physical stress acting upon an object, causing a change in the shape of that object.
- 5. boundary occurs when two tectonic plates move away from each other
- 7. 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.
Down
- 1. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 2. boundary when two plates come together
- 3. boundary places where plates slide sideways past each other
- 6. plates gigantic pieces of the Earth's crust and uppermost mantle