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Atoms and Light Energy
At this site students are reminded that the study of atoms and their characteristics overlap several different sciences and that chemists, physicists, and astronomers all must understand the microscopic scale at which much of the universe functions in order to see the bigger picture. Students are also reminded of the structure of the atom and the meaning of the terms atom, element, atomic mass, atomic number, and isotope. The Bohr Model is used to review the energy levels, ground state, excited state and ionization. Absorption and emission along with the resulting energies are covered along with the quantum mechanical nature of atoms and photons. The site also includes three student exercises and links for more information.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • Text:
    • Ref. material
Subject:
  • Chemistry
  • Physics
  • Space science
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
If using the HEASARC service made a significant contribution to a research project, please make the following acknowledgement in any resulting publication: This research has made use of data obtained from the High Energy Astrophysics Science Archive Research Center (HEASARC), provided by NASAs Goddard Space Flight Center. Please send a preprint or reprint of the paper to: The HEASARC Code 660.2 NASA/Goddard Space Flight Center Greenbelt, Maryland, 20771, USA
DLESE Catalog ID: DLESE-000-000-005-981
Educational standards:
  • National Science Education Standards (NSES):
    • 9-12:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • B - Physical science:
        • Interactions of energy and matter
        • Structure of atoms
Related resources:
This resource is the basis for 'Calculate the Energy!'
Resource contact / Creator / Publisher:
Publisher: High Energy Astrophysics Science Archive Research Center