Across
- 6. A crack in the earths crust causing earthquakes
- 8. Earths rigged outer layer including the crust and upper mantle.
- 10. Plate boundary where tectonic plates slide past each other horizontally
- 12. 335 million year old ancient super-continent
- 13. Second layer of earths atmosphere containing the ozone layer
- 15. Upper part of mantle, partially molten and flows slowly
Down
- 1. The point inside the earth where an earthquake originates
- 2. Molten layer beneath earths crust influencing tectonic plate movement
- 3. Earths outermost layer, solid and composed of rocks and minerals
- 4. A constant source of magma creating volcanic activity
- 5. Solid, iron-nickel innermost layer of earth
- 7. Instrument measuring seismic waves during an earthquake
- 9. Melted Rock Beneath the Earths surface
- 11. A circular pit formed by volcanic activity
- 14. Powdery residue from volcanic eruptions
- 16. Central point on earths surface directly above earthquake origin