书目

What Makes a Magnet? (Let's-Read-and-Find-Out Science 2)

内容简介

Willamagnetpickupapapercliporafeather?Theansweris,justthepaperclip.Magnetsonlypickupthingsthatcontainbitsofiron.InthisnewadditiontotheLet's-Read-and-Find-OutScienceseries,veteranauthorFranklynBranleyexplainsthepropertiesandbehaviorofmagnets.TrueKelley'scharmingillustrationswillentertainreadersastheydiscoverforthemselveswhatmakesamagnet.Hands-onactivitiesincludemakingamagnetandcompass.

作者简介

FranklynM.BranleywastheoriginatoroftheLet's-Read-and-Find-OutScienceseriesandtheauthorofcloseto150popularbooksaboutscientifictopicsforyoungreadersofallages.HewasAstronomerEmeritusandformerChairmanoftheAmericanMuseum-HaydenPlanetarium.

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