Science Wordcross

2. The tough outer part of the earth
3. Changed into a stony substance
6. A supercontinent that incorporated almost all the landmasses on Earth
9. The tough central part of the Earth
10. The point of origin of an earthquake
12. The measurable amount of a property such as force
17. An instrument that measures and records details of earthquakes
18. Tending to be different or develop in different directions
19. The great size or extent of something
20. Each of the several rigid pieces of the earth's lithosphere which together make up the earth's surface

1. The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
4. A long high sea wave
5. A mountain or hill typically conical having a crater or vent through which lava
7. A sudden and violent shaking of the ground, sometimes causing great destruction
8. Any of the world's main continuous expanses of land
11. The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
13. The point on the earth's surface vertically above the focus of an earthquake
14. A planar fracture or discontinuity in a volume of rock
15. Coming closer together especially in characteristics or ideas
16. The region of the earth's interior between the crust and the core