42 Square Template

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Volcanoes
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Lava

• Melted rock that has erupted is called what?

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Hot spots

• Extremely hot places deep in Earths mantle is
  called what?

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Seismometers

• What instrument detects Earths movements?

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A large circular depression at the top of a
volcano.

• What is a caldera?

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Magma

• Melted rock beneath the surface is called what?

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Dante II

• What is the name of the volcano robot?

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Tiltmeter

• What instrument measures slope changes?

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A process that occurs at divergent plate boudaries

• What is rifting?

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Chains of volcanoes that form when 2 plates
collide and one goes under the other

• What are island arcs?

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3 plates separated

• What formed the Great Rift Valley?

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Ancient human remains

• What was found in the Great Rift Valley?

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Oldest volcanoes and deepest lakes

• What is special about the volcanoes and lakes?

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Kenya and Kilimanjaro

• What 2 volcanoes are here?

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Hot Spot

• The Hawaiian Islands were formed as a plate moved
  over what?

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Quiet

• What kind of eruptions formed the Hawaiian
  Islands?

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Active Volcano forming

• What is currently happening by Hawaii?

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Mauna Loa and Kilauea

• What 2 volcanoes are on Hawaii

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Constantly

• How often do active volcanoes erupt?

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Cinder cone

• What volcanoes are made of layers of cinders

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Composite Cone

• What volcano is formed when explosive eruptions
  of sticky lava alternates with quiet eruptions?

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Never have in recorded history

• How often do extinct volcanoes erupt?

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Composite cone

• Which volcanoes are the most explosive?

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Ring of Fire

• What is the name of the area around the edges of
  the Pacific Ocean where many volcanoes occur?

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Regularly

• How often do intermittent volcanoes erupt?

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Havent for awhile but could soon

• How often do Dormant volcanoes erupt?

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Shield

• What volcano is formed from lava flowing quietly?

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Any opening in earths crust where hot gasses,
rocks, and melted material erupts/

• What is a volcano?

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Dust

• Eruptions include bombs, cinders, ash and what?

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EQs, Smoke and ash, earth movements, slope
bulging, increase in sulfuric acid

• What are 2 warning signs of an eruption?

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Cooling, ozone breaking, pollution, fires

• Name 2 ways an eruption affect Earth

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Shield - quiet Composite cone - most explosive

• What is the difference between a shield eruption
  and a composite cone eruption?

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How often they erupt and the way they erupt (lava)

• What 2 ways do scientists classify volcanoes?

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