Plate Tectonics Crossword

1. layer beneath Earth's crust
3. when one plate sinks below another plate during a collision
5. isolated place away from plate boundaries where a lot of hot magma is collected
7. molten rock that has erupted onto Earth's surface
9. the place below ground where an earthquake starts
11. the point on Earth's surface directly above the focus of an earthquake
12. a huge wave in the ocean caused by an earthquake occurring on the seafloor
14. the crust that forms the ocean floor
16. the separating of continents by drifting across Earth's surface
17. the centre of earth
18. the rapid movement of the ground, usually back and forth and up and down in a wave motion, due to the movement of tectonic plates

2. where plates are sliding parallel to each other but in opposite directions
4. the shaking, wave-like movement of the ground in an earthquake
6. the process of new crust forming at the ocean ridges and spreading outwards
8. a place where extremely hot material inside Earth erupts at the surface
10. name for the crust and the upper mantle together; Earth's tectonic plates
12. a depression in the ocean floor
13. a zone where Earth's crust and mantle are being pulled apart
15. plates are pulled apart at the mid-ocean ridges
16. where plates are colliding with each other