Vulcan's Vocabulary Worksheet

Using complete sentences, define the following volcanic terms:

1. Andesite:

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2. Ash:

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3. Ashcloud:

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4. Ashfall:

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5. Ashflow:

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6. Avalanche:

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7. Basalt:

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8. Composite Volcano:

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9. Crater:

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10. Dacite:

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11. Debris Avalanche:

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12. Dome:

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13. Lahar:

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14. Lava:

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15. Lavaflow:

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16. Magna:

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17. Mudflow:

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18. Phreatic eruption:

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19. Pumice:

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20. Pyroclastic:

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21. Pyroclastic Flow:

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22. Tephra: