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Jonata Science

Jonata 6th Grade Science-Volcanoes Section 1

definitionsterm
driving force that creates volcanoes, a hot liquid material that rises through vents magma
holes in the Earth's crust vents
magma that has erupted or spilled onto the Earth's surface lava
during violent volcanic eruptions magma and rock fragments that are blasted into the air are called pyroclastic material
a group of vents combined wit teh build up of pyroclastic material or lava on the Ear'ths surface volcano
eruptions that produce mostly pyroclastic material are said to be explosive eruptions
eruptions that produce mostly lava are said to be non explosive eruptions
a type of lava that is faster flowing and thin in consistency with a glassy surface and rounded wrinkles, it resembles coils of rope Pahoehoe
thinner consistency, faster flowing lava that has a jagged surface as the molten lava underneath continues to move Aa
lava that erupted underwater that makes rounded lumps pillow lava
cool stiff lava that does not travel far from the vent that usually oozes up after an explosive event blocky lava
largest pieces of pyroclastic material that gets blasted out of a volcano volcanic blocks
large blobs of magma that hardened in the air and are usually flattened and elongated volcanic bombs
little stones that are solid and can be red hot when they hit the ground lapilli
ver small particles that form when gases in magma expand quickly and explode into tiny glasslike splinters volcanic ash
Created by: nmccaul
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