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Review : Mountains and Review : Mountains and VolcanoesVolcanoes

Pryoclastic FlowPryoclastic Flow

A cloud of super- hot gases and rock A cloud of super- hot gases and rock fragments that races downhill from an fragments that races downhill from an erupting volcanoerupting volcano

VolcanoVolcano

An opening in the Earth’s crust through An opening in the Earth’s crust through which molten rock, rock fragments and hot which molten rock, rock fragments and hot gasses eruptgasses erupt

MountainMountain

An area of land that rises steeply from the An area of land that rises steeply from the land around it land around it

GeyserGeyser

A type of hot spring that shoots water into A type of hot spring that shoots water into the airthe air

Deep sea ventDeep sea vent

Hot springs that form at spreading centersHot springs that form at spreading centers

MudflowsMudflows

Landslides that occur when loose rocks and Landslides that occur when loose rocks and soil are mixed with watersoil are mixed with water

FumaroleFumarole

Similar to a hot spring, instead of water a Similar to a hot spring, instead of water a fumarole releases steam and other gasesfumarole releases steam and other gases

What are the three types of What are the three types of volcanoesvolcanoes

ShieldShield Cinder coneCinder cone CompositeComposite

What are the two types of What are the two types of mountains?mountains?

FoldedFolded Fault-blockFault-block

What are the immediate effects of a What are the immediate effects of a volcanic eruption?volcanic eruption?

Lava flowsLava flows Volcanic AshVolcanic Ash MudflowsMudflows Pyroclastic FlowPyroclastic Flow Land slideLand slide Steam explosionSteam explosion

What are the three types of volcanic What are the three types of volcanic rock fragments?rock fragments?

Volcanic ashVolcanic ash CindersCinders BombsBombs

How do folded mountain form?How do folded mountain form?

Two continental plates push togetherTwo continental plates push together

Which type of boundary are folded Which type of boundary are folded mountains most likely to occur?mountains most likely to occur?

convergentconvergent

Why do scientist monitor volcanoes?Why do scientist monitor volcanoes?

To warn people before they eruptTo warn people before they erupt

What are the main gases in volcanic What are the main gases in volcanic eruptions?eruptions?

Water vaporWater vapor Carbon dioxideCarbon dioxide

What is the greatest danger to What is the greatest danger to people living near a shield volcano?people living near a shield volcano?

Lava flowsLava flows

Why are there no active volcanoes in Why are there no active volcanoes in the Himalayasthe Himalayas

They are not near a seduction zoneThey are not near a seduction zone

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