HS-PS1-1

Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.

More Stories in HS-PS1-1

  1. Tech

    Artificial intelligence helped design a new type of battery

    Supercomputing and AI cut the early discovery steps from decades to just 80 hours. The process led to a new solid electrolyte.

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  2. Climate

    Chemists make device to destroy planet-warming methane pollution

    It can slash diffuse sources of this extremely potent greenhouse gas, such as from livestock barns and other sites.

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  3. Environment

    New ultrathin materials can pull climate-warming CO2 from the air

    To slow global warming, we’ll need help from CO2-trapping materials. Enter MXenes. They’re strong and reactive — and they love to eat up CO2.

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  4. Physics

    Heat makes water evaporate. Now it appears light can, too

     In the lab, shining light on water made it evaporate faster. This never-before-seen effect, if real, might be happening naturally all around us.

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  5. Chemistry

    Scientists Say: Valence electrons

    These far-out electrons do the hard work when it comes to chemical reactions.

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  6. Materials Science

    Let’s learn about the weird science of ice

    Better understanding of ice could lead to new deicing materials or even, someday, weather control.

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  7. Physics

    Does the size of a parachute matter?

    How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.

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  8. Environment

    Gas stoves can spew lots of pollution, even when they’re turned off

    A new study finds they can leak benzene and other harmful chemicals into homes, sometimes at very high levels.

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  9. Chemistry

    Could we make vibranium?

    The ‘perfect’ metal may belong to the fictitious Marvel world of Wakanda, but scientists hope to one day mimic some of its key traits.

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