Curated OER
The Flame and the Atom:
Students investigate the structure of atoms. Students read information about the Rutherford model, the Bohr model, and the Quantum Mechanical model examining each for its scientific validity. They watch a PowerPoint presentation of alpha...
Curated OER
Physicists or Philosophers?
Trace the sequential process of the developing theories of atomic structure in the early 20th century, show, in historical development, how scientists "know" things, how experiments are set up and how interpretations are drawn from them,...
Curated OER
Historical Development of a Scientific Idea
Ninth graders examine how scientist's contribute to atomic theory. In this development of a scientific idea instructional activity students work in groups and research the development of the atomic model.