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| The pacific ocean surrounds.... |
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| What r the 3 kinds(shape)of volcanos? |
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| Cinder cone, composite cone,& shield. |
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| What r the 3 words that describe how often volcanoes erupt? |
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| Active, dormant,& extinct. |
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| The theory that the earth once was just one large land mass. |
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| Earthquakes occur __________ the surface of the earth. |
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| The crust and upper area of the mantle. |
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| Beginning point of an earthquake. |
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| waves of energy sent out from the focus |
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| Point on surface which is directly above the focus. |
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| Scientist who study volcanoes |
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| Volcano that has erupted in the past and is expected to erupt again. |
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| Magma that breaks through the earth's surface. |
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| Bowl shape at top of main vent. |
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| Volcano that has not erupted and is not expected to erupt again. |
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| Heated water rising to the earth's surface |
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| Hot spring that periodically blows steam and hot water into the air |
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| Hot spring that contains more mud than water |
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| Detects, times, and measures the movement of the earth. |
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| High-speed avalanche of very hot dust and gases |
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| Mixture of cinder, ash, and rock from a volcano |
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| Break in the earth's surface in which rocks can move. |
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| Theory of the plate tectonics |
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| The idea that the earth's crust is made up of moving plates |
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| Measures magnitude of an earthquake |
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| How does one volcano have more than one kind of eruption? |
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| 1 eruption can change the conditions of the inside of a volcano so it can have a different kind of eruption. |
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