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#ThingDescriptionTopicUp/Down/NetScore ▼
601LutetiumChemical element with atomic number 71 (Lu)Physical sciences+0 / -0 / 00.500000
602MagmaHot semifluid material found beneath the surface of EarthPhysical sciences+0 / -0 / 00.500000
603MagnesiumChemical element with atomic number 12 (Mg)Physical sciences+0 / -0 / 00.500000
604Magnesium sulfateChemical compound with formula MgSO4Physical sciences+0 / -0 / 00.500000
605MagnetObject that has a magnetic fieldPhysical sciences+0 / -0 / 00.500000
606Magnetic fieldProperty of space that quantifies the magnetic influence at a given locationPhysical sciences+0 / -0 / 00.500000
607MagnetostaticsBranch of physics about magnetism in systems with steady electric currentsPhysical sciences+0 / -0 / 00.500000
608Magnitude (astronomy)Logarithmic measure of the brightness of an astronomical objectPhysical sciences+0 / -0 / 00.500000
609Main sequenceContinuous band of stars that appears on plots of stellar color versus brightnessPhysical sciences+0 / -0 / 00.500000
610ManganeseChemical element with atomic number 25 (Mn)Physical sciences+0 / -0 / 00.500000
611MangroveShrub growing in brackish waterPhysical sciences+0 / -0 / 00.500000
612MarbleType of metamorphic rockPhysical sciences+0 / -0 / 00.500000
613MarshLow-lying and seasonally waterlogged landPhysical sciences+0 / -0 / 00.500000
614MassAmount of matter present in an objectPhysical sciences+0 / -0 / 00.500000
615Mass spectrometryAnalytical technique based on determining mass to charge ratio of ionsPhysical sciences+0 / -0 / 00.500000
616Mass–energy equivalencePhysics concept expressed as E = mc²Physical sciences+0 / -0 / 00.500000
617Materials scienceResearch of materialsPhysical sciences+0 / -0 / 00.500000
618MatterSomething that has mass and volumePhysical sciences+0 / -0 / 00.500000
619Maxwell's equationsEquations describing classical electromagnetismPhysical sciences+0 / -0 / 00.500000
620MeadowOpen habitat vegetated primarily by non-woody plantsPhysical sciences+0 / -0 / 00.500000
621MeanderOne of a series of curves in a channel of a matured streamPhysical sciences+0 / -0 / 00.500000
622MeasurementProcess of assigning numbers to objects or eventsPhysical sciences+0 / -0 / 00.500000
623MechanicsScience concerned with physical bodies subjected to forces or displacementsPhysical sciences+0 / -0 / 00.500000
624Medicinal chemistryScientific branch of chemistryPhysical sciences+0 / -0 / 00.500000
625MeltingMaterial phase changePhysical sciences+0 / -0 / 00.500000
626MesaElevated area of land with a flat top and sides, usually much wider than buttesPhysical sciences+0 / -0 / 00.500000
627MesozoicSecond era of the Phanerozoic EonPhysical sciences+0 / -0 / 00.500000
628Messier 87Galaxy in the constellation VirgoPhysical sciences+0 / -0 / 00.500000
629MetalType of materialPhysical sciences+0 / -0 / 00.500000
630Metallic bondingType of chemical bond in metalsPhysical sciences+0 / -0 / 00.500000
631MetallicityRelative abundance of heavy elements in a star or other astronomical objectPhysical sciences+0 / -0 / 00.500000
632MetalloidChemical element with metallic and nonmetallic propertiesPhysical sciences+0 / -0 / 00.500000
633MetamaterialMaterials engineered to have properties that have not yet been found in naturePhysical sciences+0 / -0 / 00.500000
634Metamorphic rockRock that was subjected to heat and pressurePhysical sciences+0 / -0 / 00.500000
635Meteor showerCelestial event caused by streams of meteoroids entering Earth's atmospherePhysical sciences+0 / -0 / 00.500000
636MeteoroidSand- to boulder-sized particle of debris in the Solar SystemPhysical sciences+0 / -0 / 00.500000
637MeteorologyScientific study of the atmosphere focusing on weather forecastingPhysical sciences+0 / -0 / 00.500000
638MethaneHydrocarbon compound (CH4) in natural gasPhysical sciences+0 / -0 / 00.500000
639MethanolCH3OH; simplest possible alcoholPhysical sciences+0 / -0 / 00.500000
640MethodologyStudy of research methodsPhysical sciences+0 / -0 / 00.500000
641MetreSI unit of lengthPhysical sciences+0 / -0 / 00.500000
642Metric systemDecimal-based systems of measurementPhysical sciences+0 / -0 / 00.500000
643MetrologyScience of measurement and its applicationPhysical sciences+0 / -0 / 00.500000
644MicaGroup of phyllosilicate mineralsPhysical sciences+0 / -0 / 00.500000
645Michelson–Morley experiment1887 investigation of the speed of lightPhysical sciences+0 / -0 / 00.500000
646MicrowaveElectromagnetic radiation with wavelengths from 1 m to 1 mmPhysical sciences+0 / -0 / 00.500000
647Milky WayGalaxy containing the Solar SystemPhysical sciences+0 / -0 / 00.500000
648MineralCrystalline chemical element or compound formed by geologic processesPhysical sciences+0 / -0 / 00.500000
649MineralogyScientific study of minerals and mineralised artifactsPhysical sciences+0 / -0 / 00.500000
650MinuteUnit of time equal to 60 secondsPhysical sciences+0 / -0 / 00.500000
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