Y9 Plate Tectonics

5. Two plates moving towards each other is known as... e.g. Nazca and South American Plate
7. Some volcanoes are formed on these. They are stationary and do not move e.g. Galápagos.
8. The oceanic plate will s_______ under the lighter continental plate.
10. the type of crust carrying the land.
12. When pressure builds up at two plates it will be released in the form of a _______________
14. two plates moving away from each other e.g. Mid Atlantic ridge Iceland
15. Two plates rubbing side by side is known as... e.g. The San Andreas fault.
16. 90% of volcanoes and earthquakes occur on plate _________

1. Central most part of the earths structure (completely solid).
2. Volcanoes occurring in a line where magma rises up is known as a volcanic ____
3. Below the earths crust where subduction takes place.
4. Mountain range in South America.
6. Where subduction takes place an oceanic ______ is formed.
9. Mostly produced when earthquakes occur in the ocean can be up to 20m in height.
11. Crust that is carrying the oceans.
13. The type of rock formed when lava cools e.g. Basalt.