Plate Tectonics Vocabulary
Across
- 2. the slow process of wearing down landscapes by wind, rain and ice
- 5. a boundary where two plates are moving apart
- 8. the gradual movement of the continents across the earth's surface
- 10. the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges
- 12. a mixture of molten rock and gases that is below the Earth's surface
Down
- 1. a thick plate containing a continent
- 3. the process where a tectonic plate sinks below another tectonic plate
- 4. cracks in the crust between tectonic plates
- 6. a boundary where two plates slide by each other
- 7. a boundary where two plates collide
- 9. molten rock which has come out of the Earth usually at a volcano
- 11. a thin plate which is covered by oceans