Earth
Scientists Say: Pole
A pole is either of two opposite ends of a molecule, magnet, battery, planet or other object.
MS-PS2-3
Ask questions about data to determine the factors that affect the strength of electric and magnetic forces.
More Stories in MS-PS2-3
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PlantsElectric shocks act like vaccines to protect plants from viruses
To protect crops against viruses in their home country of Taiwan, two teens invented a novel approach to fight blights.
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Materials ScienceAnalyze This: This material for 3-D printing is made by microbes
Bacteria with tweaked genes pump out proteins that can be used in a 3-D printer. With microbes in the mix, the living ink can make drugs or suck up chemicals.
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PhysicsExplainer: Understanding electricity
Here’s what allows you to plug in and power up the devices in your life.
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ChemistryNew glue offers to turn any small walking robot into Spider-Man
To climb walls, robot feet need to alternately stick and let go. A novel adhesive can do that. Its stickiness is controlled by electric fields.
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PhysicsScientists Say: Piezoelectric
Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.
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Science & SocietyBatteries not included: This Game Boy look-alike doesn’t need them
Game Boy revolutionized the gaming industry. A newer version could help slow the rate of climate change.
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Materials ScienceWill bacterial ‘wires’ one day power your phone?
An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.
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SpaceNASA’s Parker probe spots rogue waves and magnetic islands on the sun
The Parker probe’s first data is giving scientists a look at what’s to come as the craft moves closer to the sun over the next few years.
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PhysicsLike Magneto? Microcrystals give magnets superpower over living cells
New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.