Across
- 4. what is molten rock in the mantle called
- 7. what moves magma in circular motions
- 8. what are tremors in the Earths crust called
- 10. what is the crust broken up into
- 12. what occurs when an earthquake takes place under the sea
Down
- 1. what is created when two plates collide
- 2. what were volcanos that have not erupted in a long time but still could called
- 3. what type of plate boundaries cause Earth
- 5. the layer of the Earth made of magma
- 6. the direction pointing up on a map
- 7. what is the centre of the Earth made of iron and nickel called
- 9. what instrument is used to measure the strength of earthquakes
- 11. what are volcanos that will never erupt again called