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Volcano

Author: Nick
Across
Material found in magma that forms from oxygen and silicon
_____ eruptions have thick, sticky magma
Magma that forces itself across rock layers hardens into a ______
Fractures in the Earth's crust allow ______ to reach the surface
A _______ flow is a mixture of hot gases, ash and cinders
A lava _____ is the spread of lava as it pours out of a vent
A _____ volcano is expected to become active in the future
Gases and molten rock leave a volcano through an opening called a______
_____ eruptions have runny, thin magma
Magma collects in a magma ______
Down
A ______ is a long tube that extends from Earth's crust up through the top of the volcano
When magma reaches the surface, it's called______
_________can occur when the Earth's plates pull apart
Volcanic ______ are classified as quiet or explosive
A _____ volcano is unlikely to erupt again
_______ in activity in or around a volcano can predict an eruption
A ______ is a bowl shaped area that forms at the top of a volcano
Many volcanoes form near converging _____boundaries
An ash _____ is formed over an active volcano when it erupts
Ring of _____is a belt of volcanoes that rim the Pacific Ocean