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Handout
Simon Fraser University

Chem1 Virtual Textbook: Spectrum of a Guitar String

For Students 9th - 10th
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses spectrum in relation to Bohr's model. Included in the topics covered are standing waves, boundary condition,...
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eBook
Simon Fraser University

Chem1 Virtual Textbook: Emission and Absorption Spectra

For Students 9th - 10th
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site specifically discusses emission and absorption spectra in relation to the Bohr model.
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Activity
Other

Brockport High School: Energy Levels of Hydrogen Atom

For Students 9th - 10th
From the Brockport High School Physics Labs web pages. Includes an excellent graphic depicting the energy levels of a hydrogen atoms and portraying the electron level transitions for the Lyman, Balmer, and Paschen series. Includes both...
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Lesson Plan
University of California

Center Science Edu.: Electromagnetic Radiation on Trial

For Teachers 9th - 10th
Here is a 1-5 day unit on electromagnetic radiation that features a teacher guide and student activities with extensions.
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Handout
University of St. Andrews (UK)

University of St. Andrews: Johann Jakob Balmer

For Students 9th - 10th
Describes the life and scientific contributions of Johann Jakob Balmer. Discussion focuses on Balmer's contributions to the line spectra of hydrogen.