These are natural opening in the earth's surface where molten rocks, smoke, gases, and ashes are ejected
Crater
It is a funnel-shaped depression at the top of a volcano formed as a result of explosive eruption.
Caldera
It is a volcanic crater that is formed when a part of the wall of the crater collapses following an explosive eruption
Magma
Molten rocks inside the earth
Lava
Magma that has been ejected out of a volcano
Shield Volcano
This is formed by the accumulation of lava oozes out from the volcano. Since non- viscous lava can flow freely.a broad, slightly doomed structure that resembles a warrior's shield is formed.
Cinder Cone Volcano
This is built from ejected lava fragments. They have a steep slope, wide crater, and is most abundant of the three major volcanoes
Composite Volcano
Also known as, stratovolcano. This is large. nearly perfect sloped structure formed from the alternate solidification of both lava and pyroclastic deposits.
