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Science_Volcanoes
| Question | Answer |
|---|---|
| Volcanoe | is a wead spot in the crust where molten material, or magma, comes to the surface |
| magma | is a molten mixture of rock forming substances, gases, and water from the mantle |
| lava | When magma reaches the surface |
| Ring of Fire | Its a major belt, formed by the many volcanoes that rim the Pacific Ocean. |
| Island arc. | Teh resulting volcanoes create a sting of islands |
| Hot spot | Its an area where material from deep whithin the mantle rises and then melts, forming magma |
| Magma Chamber | Beneath a volcano, magma collecgs in a pocket |
| Pipe | Magma moves upward in a long tube in the ground that connects the magma chamber to Earths surface |
| vent | Molten rock and gas leave the volcano through an opening |
| lava flow | is the area covered bylava as it pours out of a vent |
| Crater | is a bowl shaped that may form at the to of a volcanoe around the centural vent |