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Volcano Notes
chapter 3 volcanoes
Question | Answer |
---|---|
Pele | Fire goddess of Hawaii, creator and destroyer of Hawaiian Islands |
Pele's Hair | Thread like rock formed by lava, as fine as spun glass |
Where does lava begin | Lava begins in the mantle |
Liquid magma is | Less dense than surrounding material so magma flows upwards into cracks |
Magma rises until | It reaches the surface or is trapped beneath layers of rock |
Pressure decreases on lava when | It rises and gets closer to the surface |
During eruption gases in magma | Are dissolved and rush out carrying magma with them |
Beneath volcano magma | Collects in pocket called magma chamber |