MS-PS1-1

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

More Stories in MS-PS1-1

  1. Chemistry

    Scientists Say: Bond

    In chemistry, this attachment between atoms forms because of the power of attraction. Chemical bonds make up every solid object on Earth.

    By
  2. Chemistry

    New recycling technologies could keep more plastic out of landfills

    Recycling plastics is really hard — especially into useful materials. But new chemical tricks could make recycling easier.

    By
  3. 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.

    By
  4. 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.

    By
  5. Physics

    Physicists have clocked the shortest time span ever

    The experiment revealed how long it takes light to cross a hydrogen molecule: just a couple hundred zeptoseconds.

    By
  6. Chemistry

    Scientists Say: Molecule

    A molecule is a group of atoms linked with chemical bonds. It’s the smallest particle of a substance that has all of its chemical properties.

    By
  7. Chemistry

    Here’s how to make flip-flops biodegradable

    Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.

    By
  8. Environment

    Polluting microplastics harm both animals and ecosystems

    Researchers are beginning to uncover the real-world impacts of polluting microplastic bits on animals and the ecosystems they inhabit.

    By
  9. Chemistry

    Build ice towers with bottled water and ice

    Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.

    By