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volcanoes
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volcanoes
lava is just molten rock
the shape of a volcano depends on the type of lava its made of
the type of lava coming from a volcano depends on its mineral content
the volcano in iceland has erupted and is erupting so much ash, it has made travel unsafe.
volcanoes can be dangerous!!!
lava comes out of volcanoes by
tearing out chunks of the volcano and creating a bigger opening for it to escape
a volcano erupts by hot rocks melting into magma and becoming less dense then the earth around it which makes it float to the surface of the earth.
BY RACHEL AND MYCHAELA
hoped you liked our prezi!
there is basalt lava
some lava is so thick that it doesn't run but it does plug up the volcano!