Volcanoes

A volcano is a place where material from the inside of the Earth is escaping to the surface.

A volcano has several basic parts. Under the volcano is a pocket of molten rock known as the _____.

Magma travels through a crack known as a ______ from the magma chamber to the surface of the Earth.

Magma exits the volcano at the ________, becoming lava.

_____ volcanoes are the most common volcano type and are usually fairly small with steep sides and a bowl-shaped crater.

A ________ volcano is formed almost entirely from great amounts of liquid lava.

Some signs that a volcano is going to erupt soon include _________.

Volcanoes usually occur along the ________ lines that separate the tectonic plates that make up the Earth's crust.

The crust of the Earth is not one solid piece. It is broken into about 15 pieces called ______.

A ________ is a location in the mantle at which the temperature is abnormally high. In these places, magma forces its way up to the surface, forming a volcano.