click below
click below
Normal Size Small Size show me how
volcanoes !!
These cards will give you quick info on volcanos
Question | Answer |
---|---|
VOLCANO | A volcano is an opening or rupture in a planet's surface which releases magma, hot ash and comes from a magma chamber beneath the earth. |
MAGMA | Magma is a mixture of molten or semi-molten rock that comes from beneath the surface of the earth. |
VOLCANIC ASH | Volcanic ash consists of pulverized rock and volcanic glass created while an eruption takes place |
VOLCANIC GLASS | Volcanic glass is the amorphous product of rapidly cooling magma lots of it refers to obsidian |
SUPERVOLCANO | A super volcano usually is a volcano that has a large caldera and if it erupts can produce devastation on if not enourmous but continental scale |
CALDERA | A caldera is a cauldron like volcanic feature that is created by the collapse of land following a volcanic eruption. |
ACTIVE | An extinct volcano is a volcano that could erupt at anytime and this is a time scientists could not predict so its safe to keep away from one |
DORMANT | A dormant volcano is a volcano that hasn't erupted in quite a while but is not classed extinct and has a chance of erupting at anytime |
EXTINCT | An extinct volcano is a volcano is classified extinct because it has not erupted in over 1000 of years so is probably never going to erupt again. |