Volcano Part Definitions

My Name: _________________________________ Date: _________________________

Directions: Study the definitions shown. Click on Composite Volcano Drawing and study the parts of the volcano in the picture. Then, neatly write the label for each of the parts shown on the diagram below (it doesn't have as many as the color picture but if you add at least one you'll get extra credit). Lastly, color your picture to highlight the different parts of your volcano.

crust - the crust is Earth's outermost, rocky layer.

lava - lava is molten rock; it usually comes out of erupting volcanoes.

magma chamber - a magma chamber contains magma (molten rock) deep within the Earth's crust.

side vent - a side vent is a vent in the side of a volcano.

ash cloud - an ash cloud is the cloud of ash that forms in the air after some volcanic eruptions.

conduit - a conduit is a passage through which magma (molten rock) flows in a volcano.

vent - a vent is an opening in the Earth's surface through which volcanic materials erupt.