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Volcano Vocabulary
F3 7th grade
VolcanoVolcanoA weak spot in the crust where magma
has come to the surface
VolcanoVolcano
VolcanoVolcanoVolcanoes are what formed the Hawaiian
Islands.
MagmaMagmaThe molten mixture of
rock-forming substances, gases, and water from the mantle
MagmaMagma
Magma
MagmaMagmaMagma is found
inside the volcano.
LavaLavaLiquid magma that reaches the surface; also the rock formed
when liquid lava hardens
LavaLava
LavaLavaLava is found
outside the volcano.
ElementElementA substance that cannot be broken down into other
substances
ElementElement
ElementElementBasalt is made up of the elements silicon
and oxygen.
CompoundCompoundA substance in which
two or more elements are
chemically joined
CompoundCompound
CompoundCompoundSiO2 is the
compound formula for Silicon dioxide.
Cinder coneCinder coneA steep cone-shaped hill or
small mountain made of volcanic ash, cinders, and bombs piled up around a