Volcano Types
Volcanic Landforms
Types of Lava
Types of Pyroclastic Material
100
A volcano built with layers of lava is.
What is shield?
100
A funnel-shaped pit near the top of the central vent of a volcano.
What is crater?
100
This type of lava got its name from the painful experience of walking barefoot across its jagged surface. This lava forms a brittle crust.
What is Aa?
100
This material forms when the gases in stiff magma exoand rapidly and the walls of the gas bubbles explode into tiny, glasslike slivers.
What is Volcanic Ash?
200
The top part of the volcano thats made up of pyroclastic material.
What is Cinder cone?
200
Thsi lava flows slowly, like wax dripping from a candle. Its glassy surface has round wrinkles.
What is Pahoehoe?
200
This type of material means "little stones" in Italian. These are little tiny pebblelike bits of magma that harden before they hit the ground.
What is Lapilli?
300
This volcano forms from explosive eruptions of pyroclastic material followed by quieter flows of lava.
What are Composite volcanos?
300
This type of lava erupts underwater. The lava forms in round lumps that are shaped like pillows.
What is Pillow Lava?
300
These large blobs harden in the air. The shape of the bomb was caused by the magma spinning through the air as it cooled.
What is Volcanic bombs?
400
These often form on the sides of a volcano and form in groups.
What is Cinder cone?
400
This type of lava is cool, stiff lava that does not travel far from the erupting vent.
What is Blocky lava?
400
The largest material/peices of pyroclastic material.
What are Volcanic blocks?
500
The combination of both types of eruptions forms alternating layers of pyroclastic material and lava.
What are Composite volcanos?
500
Usually oozes from a volcano and forms jumbled heaps of sharp-edged chunks.
What is Blocky lava?
500
Peices of solid rock erupted from the volcano.
What is Volcanic blocks?
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