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Mr. Lenz's Review

Mr. Lenz's Vocabulary Review Ch. 6F section 1

QuestionAnswer
A vent or fissure in the Earth's surface through which magma and gases are expelled Volcano
The body of molten rock that feeds a volcano Magma Chamber
An opening at the surface of the Earth through which volcanic material passes Vent
Lava that pours out quickly and forms a brittle, jagged crust Aa
Thick lava that flows slowly and has a glassy surface with rope-like wrinkles Pahoehoe
Forms when lava erupts underwaterPillow Lava Pillow Lava
Cool, stiff lava that oozes out slowly from a vent form a crust with many sharp-edged chunks Blocky Lava
Large blobs of magma that harden in the air. Volcanic bombs
Pieces of solid rock erupted from a volcano Volcanic blocks
pebblelike bits of magma that harden before they hit the ground. Italian for "little stones" Lapilli
Pyroclastic material formed as gas bubbles in magma explode into tiny glasslike slivers. Volcanic ash
Enormous amounts of hot ash, dust and gases are ejected from a volcano that races downhill at great speeds. Pyroclastic flow
Molten rock that flows to the Earth's surface Lava
Molten rock before it reaches the Earth's surface Magma
forms when magma is blasted into the air and hardens Pyroclastic material
Created by: lenzt
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