List of Words for Letter ‘M’
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magnetic field The region around a magnet where its force attracts or repels.
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mammal A warm-blooded vertebrate with hair or fur. Female mammals produce milk to feed their young.
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mantle The layer of rock below Earth’s crust.
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mass The amount of matter making up an object.
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matter Anything that has mass and takes up space.
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melt To change state from a solid to a liquid.
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metal Any of a group of elements that conducts heat and electricity, has a shiny luster, and can be hammered into a sheet.
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metamorphic rock Rock formed from another kind of rock under heat and pressure.
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metamorphosis A series of changing body forms during an animal’s development.
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meteor A piece of rock, ice, or metal that burns up in Earth’s atmosphere, causing a streak of light to appear in the sky.
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meteorite A meteor that hit Earth’s surface.
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metric system A system of measurement based on units of ten. It is used in most countries and in all scientific work.
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mimicry An adaptation in which one kind of organism has similar traits to another.
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mineral A natural, nonliving, usually solid material found in rock.
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mixture Two or more types of matter that are blended together and keep their own properties.
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mold An empty space in rock that once held the remains of a living thing.
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mollusk An invertebrate that has a soft body and a shell.
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moraine A large body of rocky materials deposited at the edge of a glacier.
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motor A device that changes electricity or other forms of energy into mechanical energy.
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mountain A tall landform that rises to a peak.
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muscular system The organ system made up of muscles that help the body move.