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. 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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  2. 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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  3. 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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  4. Physics

    Physicists foil classic oobleck science trick

    Cornstarch and water — best known as oobleck — solidifies upon impact. Researchers used a new technique to make it stay liquid.

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  5. Physics

    Try This: Walking on water with science

    Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.

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  6. Chemistry

    Converting trash to valuable graphene in a flash

    Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.

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  7. Physics

    Like 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.

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  8. Chemistry

    Explainer: What are acids and bases?

    These chemistry terms tell us if a molecule is more likely to give up a proton or pick up a new one.

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  9. Physics

    Explainer: How batteries and capacitors differ

    Both batteries and capacitors can power electronic devices. Each, however, has different properties which may provide benefits — or limitations.

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