First 16 words of chapter 3

Question Answer
a weak spot in the crust where magma has come to the surface volcano
the molten mixture of rock-forming substances, gases, and water from the mantle magma
liquid magma that reaches the surface; also the rock formed when liquid lava hardens lava
a major belt of volcanoes that rims the Pacific Ocean Ring of Fire
a string of islands formed by the volcanoes along a deep-ocean trench island arc
an area where magma from deep within the mantle melts through the crust above hot spot
a substance that cannot be broken down into other substances element
a substance in which two or more elements are chemically joined compound
any characteristic of a substance that can be observed or measured without changing the composition of the substance physical property
any property of a substance that produces a change in the composition of matter chemical property
the resistance of a liquid to flowing viscosity
a material found in magma that is formed from the elements oxygen and silicon silica
a hot, fast-moving type of lava that hardens to form smooth, ropelike coils pahoehoe
a slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe aa
the pocket beneath a volcano where magma collects magma chamber
a long tube through which magma moves from the magma chamber to Earth's surface pipe

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