MS-PS1-1

Develop models to describe the atomic composition of simple molecules and extended structures.

More Stories in MS-PS1-1

  1. 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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  2. Chemistry

    Chemistry’s ever-useful periodic table celebrates a big birthday

    2019 is the International Year of the Periodic Table. But the traditional chart is just one of many shapes that chemists and other scientists have developed to organize the elements.

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  3. 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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  4. Climate

    Explainer: The making of a snowflake

    Have you ever wondered how a snowflake gets its shape?

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  5. Earth

    Explainer: Why sea levels aren’t rising at the same rate globally

    The ocean is rising all over the world. The rise seems speedier in some places. What gives? Many factors, it turns out, affect where — and why — the tide gets high.

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  6. Chemistry

    Explainer: CO2 and other greenhouse gases

    Carbon dioxide is just one of several chemicals that contribute to the greenhouse effect. Nitrous oxide, methane and CFCs are other big contributors.

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  7. Animals

    In a colony, king penguins act like a liquid

    Is this a living liquid? King penguins move around within their colonies, clearing out some space, and then refilling it. That behavior resembles a liquid, scientists conclude.

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