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Side A
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Side B
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Side A
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Side B
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| 1. |
a weak spot in the crust where molten material,... |
Volcano |
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11. |
a molten mixture of rock-forming substances,... |
Magma |
2. |
When magma reaches the surface
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Lava |
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12. |
a major belt of volcanoes that rims the... |
Ring of Fire |
3. |
a string of islands formed by the volcanoes... |
Island Arc |
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13. |
an area where magma from deep within the... |
Hot Spot |
4. |
property of fluid that resists flowing |
Viscosity |
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14. |
a material formed from the elements oxygen... |
Silica |
5. |
a hot, fast-moving type of lava that hardens... |
Pahoehoe |
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15. |
the pocket beneath a volcano where magma... |
Magma Chamber |
6. |
a slow-moving type of lava that hardens to... |
Aa |
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16. |
a long tube th rough which magma moves from... |
Pipe |
7. |
the opening through which molten rock and... |
Vent |
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17. |
the area covered by lava as it pours out... |
Lava Flow |
8. |
a bowl-shaped area that forms around a... |
Crater |
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18. |
the expulsion of ash, cinders, bombs, and... |
Pyroclastic Flow |
9. |
said of a volcano that does not show signs... |
Dormant |
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19. |
a wide, gently-sloping mountain made of layers... |
Shield Volcano |
10. |
said of a volcano that is unlikely to erupt... |
Extinct |
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20. |
a steep, cone-shaped hill or mountain made... |
Cinder Cone |
