HS-PS1-3

Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.

More Stories in HS-PS1-3

  1. Chemistry

    New 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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  2. Chemistry

    Explainer: What is an electrode?

    An electrode’s name depends on the circumstances. Confused? It may help to consider which electrochemical reaction is natural — and which is not.

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  3. Chemistry

    Explainer: Ions and radicals in our world

    When atoms get an electric charge, they act very differently. Now called ions, these are behind many aspects of chemistry, including acids and batteries.

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  4. Materials Science

    Copper ‘foam’ could be used as filters for COVID-19 masks

    The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.

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  5. Chemistry

    Explainer: What are chemical bonds?

    When various particles, atoms, ions or molecules come together to form a substance, they are held together with chemical bonds.

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  6. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  7. Earth

    Let’s learn about snow

    Snow is more than just frozen water vapor. Scientists are studying everything from its shape to other planets where snowflakes fall.

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  8. Tech

    Bye-bye batteries? Power a phone with fabric or a beacon with sound

    New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.

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  9. Tech

    Ordinary paper turns into flexible human-powered keypad

    Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.

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