Science Crossword

6. Where plates are colliding with each other.
10. The rapid movement of the ground, usually back and forth and up and own in a wave motion, due to the movement of tectonic plates.
12. When one plate sinks below another plate during a collision.
13. The place below the ground where an earthquake starts.
14. Name for the crust and upper mantle together, Earth's tectonic plates.
17. The process of continents breaking up, subsiding and allowing in water from the sea.
19. Layer beneath Earths crust.
20. a layer of "plastic" semi-solid rock in the lower mantle on which Earth's tectonic plates move.

1. A chain of islands formed at the edge of colliding tectonic plates where one plate subducts.
2. A huge wave cause by an earthquake occurring on the sea floor.
3. Molten rock that has erupted onto the earth's surface.
4. The Centre of the earth.
5. Mountains formed by crust crumpling upwards as plates collide.
7. Earth's Outermost solid layer.
8. An instrument that detects seismic waves from an earthquake.
9. A depression in the ocean floor.
11. The point on Earth's surface directly above the focus of an earthquake.
15. Isolated place away from plate boundaries where a lot of hot magma is collecting.
16. A zone where the earth's mantle and crust are being pulled apart.
18. Molten rock below Earths surface.