Across
- 2. The rock that oceanic plates are made of, which is heavier than granite.
- 3. Directly below the epicenter of an earthquake
- 8. Another word for margins.
- 11. Magma moves through the mantle due to ……………………… currents.
- 13. Movements of the Earth's surface caused by motion of tectonic plates; diverging, converging or moving alongside
- 15. Mountains caused by converging plates margins where the
- 16. The strength of an earthquake.
- 17. Being pushed apart.
- 18. When a volcano is not extinct but not erupting.
- 22. Where the heavier oceanic crust is pushed below the lighter continental crust.
- 23. The surface of the Earth.
- 24. margins Where two tectonic plates meet.
- 25. waves (2 words) Waves in the surface of the Earth caused by plate movement.
- 27. Soft, grey powder created when something is burnt which spews out of volcanoes when they erupt.
- 28. The oceanic plate is for the most part ………………………the sea.
- 31. A type of volcano occurring on convergent plate boundaries where there is subduction.
- 33. Molten rock, rock that is so hot that it has melted.
Down
- 1. ……………….. plate margins move alongside each other either in the same or opposite directions.
- 4. When the top of a volcano explodes off.
- 5. A type of volcano formed at divergent plate margins.
- 6. The name of a scale used to measure earthquakes.
- 7. crust is crushed and folded.
- 9. plate What the crust is made of.
- 10. Pushed together.
- 12. Oceanic plates are……………………..than continental plates.
- 14. The continental plate is largely ………………………………. the sea.
- 15. Where two transform plate boundaries meet.
- 19. The layer around the core of molten magma.
- 20. Mountains which erupt occurring when plates converge or diverge.
- 21. The rock that continental plates are made of.
- 26. To go to the bottom of a liquid.
- 29. Molten rock which flows from erupting volcanoes.
- 30. The centre of the Earth.
- 32. Huge ocean waves caused by under-sea earthquakes or volcanic eruptions.