Mi-STAR Volcanoes Lesson 3 Quiz VOCAB

The release of material from a volcano like lava and gases, often explosive.

A large, wide volcanic crater, formed by the collapse of the volcano summit as the result of a major eruption.

A broad volcano with gently sloping sides formed by layers of relatively fluid lava.

A steep-sided, often cone-shaped volcano. Formed by layers of ash, relatively sticky lava and other eruption products.

A linear crack, usually at the bottom of the ocean, through which lava erupts. Usually without any explosive activity. It may consist of a single long vent, or a series of vents oriented along the same linear direction.

A special kind of solid which has a regular shape, often with shiny surfaces.

The formation of a crystal from a liquid, often during cooling.

Molten liquid rock material that comes out of a volcano and forms rocks.

A property of a substance meaning liquefied by heat.

The thin layer of solid rock that forms the surface of Earth (both over and under oceans).