2nd 9 weeks crossword

4. An area that surrounds the pacific ocean where the earths tectonic plates are in motion
9. When two plates move away form each other
10. Point on earths surface directly above the location of an earthquake
11. Scientists use this to measure earthquakes
12. A place where magma is held in a volcano
13. When oceanic crust sinks under continental crust
16. This fault has a convergent boundary
18. The thinnest layer of the earth
19. When two plates slide past each other

1. The hottest layer of the earth
2. When two plates move towards each other
3. Crack withing the earths rocky crust, where rock has been fractured and where rocks move past each other
5. Slow gentle eruptions lava can travel for miles and is formed from layers of cooled lava
6. Energy travellingas waves passing through the earthcaused by a sudden shift along a fault line
7. Simplest type of volcanoes and has sudden violent eruptions
8. The layer closest to the core
14. The thickest layer of the earth
15. Point within the earth where an earthquake took place
17. Magma that reaches the surface