Interactive
University of Colorado

University of Colorado: Physics 2000: Spectral Lines

For Students 9th - 10th
Several pages from an excellent site which describe the science of spectroscopy. The unique atomic emission (and absorption) line spectrum of elements are illustrated and explained. Includes a Java applet depicting the quantum energy...
Interactive
PBS

Pbs Learning Media: Spectrometry Explained

For Students 9th - 10th
This interactive tutorial illustrates how spectrometry is used to study, identify, and quantify materials.
Handout
Georgia State University

Georgia State University: Hyper Physics: Hydrogen Energies and Spectrum

For Students 9th - 10th
This site from Georgia State University gives information on the transitions of electrons between energy levels. The energy levels for electrons in the hydrogen atom are discussed. The Rydberg equation is stated and electron transitions...
Handout
University of Colorado

University of Colorado: Physics 2000: Balmer's Formula

For Students 9th - 10th
A short description of a physics lab involving the determination of the wavelength of the four spectral lines in the hydrogen emission spectrum. Perhaps the most important part of the page is the picture of the spectrometer.
Handout
Friesian School

Proceedings of the Friesian School/the Quantacized Atom

For Students 9th - 10th
A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...
eBook
McGraw Hill

Mc Graw Hill Companies: Origins of the Quantum Theory

For Students 9th - 10th
An indexing page for Chapter 27 (Origins of the Quantum Theory) of the companion web site for McGraw Hill's Contemporary College Physics textbook. Includes several worthy pages with chapter notes, simple definitions, online computer...
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.
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...
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.