Lava/Magma
Parts of the Volcano
100
describe the difference between low and high silica lava
low silica lava is thin and runny and high silica lava is thick and sticky
100
A long tube in the ground that connects the magma chamber to Earths surface.
What is a pipe.
200
liquid magma that reaches the surface;also,the rock formed when liquid lava hardens
What is lava
200
The opening where rock and gas leave the volcano
What is a vent
300
describe a magma chamber.
A magma chamber is the pocket beneath a volcano where magma collects.
300
Define Crater
a bowled shaped area that may form at the top of a volcano around the central vent
400
what causes magma to rise from the magma chamber during an eruption?
pressure
400
what is the volcanic neck?
hardened magma in a volcanoes pipe
500
the area covered by lava as it pours out of a vent
What is lava flow?
500
what is a volcano
a weak spot in the crust where magma has come to the surface
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