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VOLCANO24
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Question | Answer |
---|---|
What is a volcano. | an opening in the earth surface. |
where is one hotspot | Hawaii |
where is the ring of fire | pacific ocean |
what is lava | When magma reaches the earths surface. |
what is the magma chamber | a place where magma is stoered |
what is the name of the biggest fault | san andraes fault |
what is the ring of fire | a circle of volcanos around the pacific ocean |
what does lava do | destroys all life |
how are shield valcanoes formed | thinner fluid lava |
how are cinder cone valcanoes built | by thick lava that shoots up i the air and falls |
Are gentle eruptions harmful | no |
How are composite valcanoes built | by layers of ash and cinder squeeze together |
what does a tiltmeter measure | it mesures small changes in the earths surface |
how was Hawaii formed | hotspots |
where are cratters found | on valcanic mountains |
what is an explosive eruption | Its where pessure in the magma chamber and explodes |
how are island arcs formed | in area where an ocean floor plate is pushed under another ocean floor plate |
what is a active volcano | a volcano that has curently erutrd |
what is a dormant volcano | a volcano that hasn't erupted in a long period of time |
what is a extint volcano | a volcano that doesn't erupt its dead |