1) A volcano is usually a mountain that has an opening at the top. This opening is called . . . a) Crater b) Crust c) Ash d) Lava 2) Lava, ash and . . . come out of the crater. a) magma b) smoke c) fire d) water 3) This is a volcanic . . . a) lava b) mountain c) vent d) eruption 4) The hot liquid rock inside the volcano is called . . . a) vent b) magma c) lava d) crust 5) Once magma comes out, it is called . . . a) magma b) igneous c) vent d) lava 6) When a volcano can still erupt, it is a(n) . . . volcano. a) extinct b) alive c) active d) dormant 7) When it’s been so long since the last eruption of a volcano, we say that it is a(n) . . . volcano. a) extinct b) exit c) dormant d) active 8) Which of these is NOT a type of volcano? a) shield b) composite c) cylinder d) cinder cone 9) How many of the Earth's volcanos are located in the Pacific Ring of Fire? a) 50% b) 20% c) 40% d) 75% 10) A volcano is formed from a crack in the Earth's ________ a) crust b) inner core c) outer core d) mantle

Volcanoes

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