List of Words for Letter ‘M’
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magma
molten, or melted, rock deep below the surface of Earth
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magma chamber
a reservoir from which volcanic materials erupt
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magnetite
a black mineral with magnetic properties
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magnitude
the measure of the energy released during an earthquake
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mantle
the thick layer of rock and molten rock that lies beneath EarthÕs crust
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marine terrace
a flat step of rock formed in an exposed, windy area where the waves pound hard against the shore
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meander
a broad curve of a stream, often developed in its mature stage
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mechanical weathering
the process that breaks a rock apart into smaller and smaller pieces that retain the characteristics of the original rock and also known as physical weathering
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Mercalli scale
a scale that tells what people actually feel and observe when an earthquake occurs; based on observed effects, not on mathematics
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methane gas
a gas made up of carbon and hydrogen and the main ingredient in natural gas
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microscope
an instrument that produces an enlarged image of an object
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mid-ocean ridge
a vast, underwater mountain chain that has been built up by the addition of new rock from below to tectonic plates moving apart under the oceans
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migrate
to travel to a different place
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mineral
a naturally occurring solid material of Earth's crust that includes clay, sand, and silt
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mountain belt
several mountain ranges that lie parallel to one another
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mountain breeze
a breeze that occurs when cool air circulates from mountain peaks into surrounding valleys.