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.

  1. 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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  2. 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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  3. 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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  4. Animals

    Where does Godzilla get his atomic breath?

    Some secrets of the kaiju’s atomic breath can be explained with creative applications of physics and biology.

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  5. Chemistry

    Creation of quantum dots wins 2023 chemistry Nobel

    The award honors three scientists who discovered and built quantum dots, which are now used in everything from TVs to medical tools.

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  6. Chemistry

    Scientists Say: Rare earth element

    Rare earth elements aren’t all that rare — but skyrocketing demand for these metals makes them precious.

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  7. Chemistry

    Scientists Say: Valence electrons

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

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  8. Earth

    Rare earths’ hidden electrons make much of modern tech possible

    Because of their unique chemistry, rare-earth elements can generate powerful magnetic fields and fine-tune light for a wide range of applications.

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  9. 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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  10. 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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  11. 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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  12. Chemistry

    Forensic scientists are gaining an edge on crime

    Advances in forensic science are helping to recover invisible fingerprints and identify missing people from bits of tissue or bone.

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