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

More Stories in MS-PS1-1

  1. Chemistry

    To test pill coatings, try a stomach in a flask

    Which pain reliever should you buy? The tablet, gel tab or compressed caplet? A teen did an experiment to find out.

  2. Physics

    After 30 years, this supernova is still sharing secrets

    It’s been 30 years since astronomers first witnessed the stellar explosion known as SN 1987A. Today, researchers are still learning from this cataclysmic phenomenon.

  3. Materials Science

    Nanowires made from silver are super stretchy

    When silver nanowires stretch slowly, atoms on their surface can spread to heal weak spots. The discovery could lead to more flexible electronics.

  4. Planets

    How Earth got its moon

    How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.

  5. Environment

    Did your burger come with a side of non-degrading pollutants?

    Perfluorinated compounds pollute the environment and might harm human health. A new study shows that one place they often show up is the paper and cardboard used to package fast foods.

  6. Microbes

    Will we know alien life when we see it?

    The hunt is on for extraterrestrials. But recognizing them may require some wiggle room in what we define as being alive.

  7. Animals

    Cool Jobs: A world aglow

    Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.