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Across 3. Molten mixture of rock-forming substances 5. Molten rock and gas leave the volcano through here 7. The sides of this volcano are gentle (2 Words) 9. A weak spot in the earth's crust where magma comes to the surface 10. A string of islands formed by vocanoes along a deep ocean trench (2 Words) 12. A major belt of volcanoes found in the Pacific (3 Words) 14. Made up of alternate layers of lava and ash (2 Words) 15. Volcano does not show signs of erupting in the near future

Down 1. A large mass of magma found at the base of a volcano 2. Ash, gases and bombs are expelled during an explosive eruption (2 Words) 4. A depression found at the top of a volcano 6. This volcano is unlikely to erupt again 8. Magma which reaches the surface 11. This energy comes from water or steam that has been heated by magma 13. This volcano is erupting