Scooby-Doo! A Science of Magnetism Mystery: The Magnetic Monster
aluminum Scooby Doo and the gang were at a concert by their favorite band The Sound Magnets Shaggy what are you and Scooby doing Daphne asked Why aren't you dancing We're like using these magnets to try to find loose change Shaggy answered Roose range agreed Scooby We'll use our newfound moolah to buy some snacks said Shaggy Good tunes really make us hungry Of course they do muttered Velma But I think this magnet is broken Shaggy said It won't pick up any coins The magnet isn't broken Fred said Magnets attract certain kinds of metal like iron and steel But they don't attract other metals like copper and
What does copper have to do with finding coins Shaggy asked Pennies have copper in them explained Daphne In fact most U S coins today are made from non magnetic metals
force Shaggy scratched his head So like why does a magnet attract iron but not copper First you must understand how magnetism works Velma said Magnetism is an invisible force just like gravity It can move a piece of iron without touching it Magnetism starts inside atoms What do a bunch of guys named Adam have to do with magnetism Shaggy wondered A T O M not A D A M Velma said Everything in the universe is made of atoms or groups of atoms called molecules Tiny charged spinning particles called electrons orbit around an atom's nucleus Daphne explained The motion of charged particles makes magnetic fields Electrons in atoms have tiny magnetic fields In most materials like copper the magnetic fields cancel each other out Velma said This means there is no magnetic
ships But in iron the magnetic fields don't completely cancel each other out Fred said Iron's atoms therefore are magnetized In fact many magnets are made of iron Riron shouted Scooby Yes Scooby iron Daphne said Like I think he means that we're in the magnetic field of that creepy iron creature Shaggy cried FACT FILE The ancient Greeks found rocks that could attract iron The rocks were called lodestones In ancient China lodestones were used to guide
