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Earth Science7 is
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| Question | Answer |
|---|---|
| Is any process that moves magma towards or to the earths surface | volcanism |
| liquid rock that is inside the earths surface | Magma |
| liquid rock that is on the earths surface | lava |
| built up hardend lava | volcano |
| Is the opening to a volcano, has one opening | vent |
| is when vent from a volcano explodes or collapses | caldera |
| Most magma reaches the surface at | The mid Atlantic ridge(Divergent) |
| hot place in the mantle, not at plate boundaries, | hot spot |
| Example of a hot spot | Hawaii |
| Get islands from | volcano eruptions |
| lava-light color | felsic |
| lava- dark color | mafic |
| crust type-gabbro/basalt ocanic | mafic |
| tends to be: very hot, flow easily, quietly | mafic |
| crust type- granite, continental | felsic |
| Tends to: Be cooler and thick Contain lots of gas so erupts explosivly | felsic |