MS-PS1-1

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

  1. Science & Society

    Introducing the 2011 Nobel Prize winners

    Scientists in 2011 won for making unexpected discoveries about crystals, the human body and the universe.

    By Stephen Ornes
  2. Chemistry

    Plant-powered plastics

    Scientists are using green materials to create more Earth-friendly plastics.

    By Sharon Oosthoek