Across
- 2. the sold outer crust of rocks forming the earths surface
- 4. opening in the crust of the earth
- 6. tremors and vibrations in the crust of the earth
- 10. uppermost layer of the earth
- 11. made up of silicon magnesium
- 12. the point in the interior of the earth
- 14. intermediate layer
- 15. solidified from the molten lava
Down
- 1. the point on the earths surface vertically above the focus
- 3. centre of the earth also called centrosphere
- 5. made up of silicone and aluminium
- 7. an instrument used to measure earthquakes
- 8. contain layers and are generally soft
- 9. formed through the process of metamorphism
- 13. the study of earthquakes