Plate Tectonics Crossword

3. Parts of the Earth’s crust that are broken up into large pieces that move due to plate tectonics.
5. The cycle in which heat is transferred within a fluid.
8. Idea that the continents slowly moved over Earth’s surface.
9. A supercontinent that formed 300 million years ago.
12. The remains of an ancient organism preserved in rock.
14. The area where plates slip past each other.
16. The area where Earth’s crust diverge on land.
18. A dense ball of solid metal within the center of the Earth.
19. The area where plates move away from each other.
20. The theory that Earth’s plates are in slow, constant motion, driven by convection currents in the mantle.

1. Deep underwater canyons at which oceanic crust bends downwards.
2. The process in which a mid-ocean ridge adds new material to the ocean floor.
4. The process where the ocean floor sinks beneath a deep-ocean trench into the mantle.
6. The area where plates come together.
7. A device used to help scientists map the ocean floor.
10. The layer of rock that forms Earth’s outer shell.
11. Breaks in the Earth’s crust where rocks have slipped past each other.
13. The layer of molten metal surrounding the inner core.
15. Long chains of mountains that rise up from the sea floor.
17. The area that includes the crust and the upper mantle.