Across
- 4. When oceanic and continental plates move together. The oceanic plate is forced under the lighter continental plate
- 6. When plates move apart. Volcanoes are formed as magma wells up to fill the gap
- 7. Occurs when older, denser tectonic plates sink into the mantle, pulling newer and less dense sections of plate along behind
- 8. A sudden shaking of the ground which releases energy and results from underground movement along a fault plane
Down
- 1. When two continental plates collide. Neither plate is forced under the other
- 2. Where plates slide past each other in opposite directions, or in the same direction but at different speeds
- 3. A term used to describe a liquid substance (eg rock, glass or metal) formed by heating a solid
- 5. Crowded closely together