Term
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Definition
| IS AN OPENING IN THE SURFACE OF ONE OF EARTH'S PLATES THROUGH WHICH MAGMA RISES. |
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Term
| WHERE DO VOLCANOES OCCUR? |
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Definition
| LIKE EARTHQUAKES, MOST VOLCANOES OCCUR NEAR PLATE BOUNDARIES |
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Term
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Definition
| TINY BITS OF ROCK SPEW INTO THE AIR DURING AN ERUPTION, FORMING A THICK CLOUD OF ASH. |
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Term
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Definition
| A STEEP-SIDED DEPRESSION AT THE TOP OF A VOCANO. CRATERS CAN FORM DURING AN ERUPTION OR IF THE RIM OF THE VOCANO COLLAPSES. |
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Term
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Definition
| IS AN AREA OF ON-GOING VOLCANIC ACTIVITY. |
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Term
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Definition
| A CALDERA IS A CRATER THAT IS AT LEAST 1.6 KM WIDE. |
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Term
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Definition
| FLOWS OF LAVA SPILL OUT ONTO NEARBY GROUND FORMING NEW CRUST. BASALT IS A DARK VOLCANIC ROCK. |
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Term
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Definition
| MAGNMA TRAPPED IN THE LITHOSPHERE CAN HEAT GROUND WATER. IN SOME PLACES, THE STEAM SPEWS FROM THE CRUST |
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