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Volcanoes Set #7)
Volcanoes
| Question | Answer |
|---|---|
| dormant | a volcano that is not currently active, but is likely to become active in the future |
| lava | liquid magma that reaches the surface; also the rock formed when liquid lava hardens |
| lava flow | the area covered by lava as it pours out of a volcano’s vent |
| magma | the molten mixture of rock-forming substances, gases, and water from the mantle |
| pipe | a long tube through which magma moves from the magma chamber to Earth’s surface |
| Ring of Fire | a major belt of volcanoes that rims the Pacific Ocean |
| volcano | a weak spot in the crust where magma comes to the surface |