Across
- 4. what happens when there is a earthquake in the ocean
- 6. the second and thickest layer of the earth
- 9. the scale scientists use to measure earthquakes
- 11. what magma is called when it reaches land
- 12. core made of solid iron and nickel
- 13. core made of melted iron and nickel
Down
- 1. the first and thinnest layer of the earth
- 2. Plates that come together
- 3. Plates that move apart
- 5. fine particles of rock dust
- 6. molten rock
- 7. Plates that strike one another when they slip
- 8. a crack in earths crust
- 10. when hot rocks and magma bursts from a volcano