◦ The early Hawaiians told stories about volcanoes and Vulcan, their god of fire.
◦ True or False

◦ False. The Romans god of fire was
Vulcan.

◦ What are the top layers of solid rock on the earth’s surface called?

◦ The top layers are called crust. Pg 85

◦ When does magma become lava?

◦ Magma becomes lava when it pours out onto the surface. Pg. 85

◦ Which mountain created the most destructive volcanic eruption in the history of the United States?

◦ Mount St. Helens

◦ Where do almost all of the volcanoes in the world erupt?
◦ On the Hawaiian Island of Mauna Loa
◦ Along the coast of Iceland
◦ Where the earth’s plates meet
◦ None of the above

◦ Where the earth’s plates meet

◦ What was left in place of the top of
Mount St. Helens after the volcanic eruption of 1980?

◦ After the volcanic eruption a crater was left at the top of Mount St. Helens.
Pg. 88

◦ What are the names of the two kinds of lava in Hawaiian volcanic eruptions?
◦ Oee and palla
◦ Lavee and vallacalla
◦ Aa and pahoehoe
◦ None of the above

◦ Aa and pahoehoe

◦ List two of the four types of volcanoes.
(extra credit if you can name all four)

◦ Shield, Cinder Cone, Composite
(strato-volcano) dome. Pgs. 94,95,96

◦ What are volcanoes that no longer erupt called?

◦ They are called extinct volcanoes. Pg.
97

◦ What do volcanoes create?
◦ New islands
◦ New soil
◦ New mountains
◦ Both a and c are correct.

◦ Both a and c are correct. Volcanoes create new islands and new mountains.

Define molten:
Charred bits of rock; ash
Made liquid by heat

◦ Molten
◦ Made liquid by heat

◦ Define lava:
◦ A bowl shaped depression
◦ Hot melted rock that flows from a volcano

◦ Lava:
◦ Hot melted rock that flows from a volcano

◦ Define crater:
◦ A volcanic explosion or large flow of lava
◦ A bowl shaped depression

◦ Crater:
◦ A bowl shaped depression

◦ Define cinders:
◦ Made liquid by heat
◦ Charred bits of rock; ash

◦ Cinders:
◦ Charred bits of rock; ash

◦ Define eruption:
◦ Hot melted rock underneath the earth’s surface
◦ A volcanic explosion or large flow of lava

◦ Eruption:
◦ A volcanic explosion or large flow of lava

◦ Define magma:
◦ Hot melted rock underneath the earth’s surface
◦ Made liquid by heat

◦ Magma:
◦ Hot melted rock underneath the earth’s surface

◦ Define summit

◦ The top of a mountain