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Curated OER
Honors Chemistry I
In this honor chemistry I worksheet, students use all available resources to answer each question given. Students apply their knowledge of light, quantum theory of light, Bohr's model, photoelectric theory.
Curated OER
Astronomy Test
In this astronomy test, students answer 50 true/false and multiple choice questions about the relationships of the earth, moon, and sun. The test also includes questions about the solar system, galaxies, and the universe. An answer key...
Curated OER
Hertzsprung-Russell Diagram
Young scholars examine the relationship between temperature and brightness. In this astronomy lesson students will correlate the evolution of stars to the HR diagram plotted.
Curated OER
Observing Bursts from an X-ray Burster
Students study the use of X-ray data to make size and energy estimates of the source and the processes occurring there. They use XTE observations of the object GRO 1744-28 to determine whether bursts occur periodically and the duration...
Curated OER
Molecular Evolution in Plants
Students are using a paper chromatography study that is suitable for introductory biology. The absorption spectra studies and gel electrophoresis studies are appropriate for students who have complete both introductory biology and...
Curated OER
Molecular Evolution in Plants
High schoolers examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level...
Khan Academy
Khan Academy: Electromagnetic Waves: The Electromagnetic Spectrum and Photons
An article that discusses the coupling of an electric field with a magnetic field to create electromagnetic waves. Article also discusses how different types of electromagnetic waves have different wavelengths which forms the...
Simon Fraser University
Chem1 Virtual Textbook: The Bohr Atom
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses Niels Bohr and his work with the atom. Topics covered in the discussion include the atom before Bohr, Bohr's...
Simon Fraser University
Chem1 Virtual Textbook: Spectrum of the Hydrogen Atom
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the hydrogen atom and its relation to spectrum. Included in the discussion is information on the Bohr model...
Georgia State University
Georgia State University: Hyper Physics: Hydrogen Energies and Spectrum
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...
Dartmouth College
Dartmouth College: Chem Lab: Spectrum of the Hydrogen Atom
In this experiment, you will use a meterstick spectroscope to observe the emission spectrums of hydrogen, sodium, neon, helium, and mercury. Requires Java plug-in.
Other
Brockport High School: Energy Levels of Hydrogen Atom
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...
University of Alberta
The University of Alberta: Nmr Spectroscopy
1HNMR theory begins in the nucleus of hydrogen. Complete this tutorial on the 1HNMR spectrum graph to learn about the number of equivalent hydrogens, b) the chemical environment of each hydrogen type and c) the number of neighbouring...
University of Colorado
University of Colorado: Physics 2000: Spectral Lines
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...
CK-12 Foundation
Ck 12: Chemistry Simulation: Neon Lights
[Free Registration/Login Required] Neon lights are a type of discharge tube. Observe how electrons create colored light in a hydrogen gas discharge tube. Can you figure out why hydrogen's emission spectrum contains more than one color of...
Friesian School
Proceedings of the Friesian School/the Quantacized Atom
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...
University of St. Andrews (UK)
University of St. Andrews: Johann Jakob Balmer
Describes the life and scientific contributions of Johann Jakob Balmer. Discussion focuses on Balmer's contributions to the line spectra of hydrogen.
University of Colorado
University of Colorado: Physics 2000: Balmer's Formula
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.
CK-12 Foundation
Ck 12: The Bohr and Quantum Models of the Atom
[Free Registration/Login may be required to access all resource tools.] Students explore how the study of the hydrogen emission spectrum led to the Bohr model of the atom, in which electrons exist in states of constant energy.
PBS
Pbs Teachers: Stellar Fingerprints: The Spectra of Stars
Identify the composition of stars by applying the ideas of quantum theory. Investigate the field of spectroscopy, and examine the spectra of stars to locate the emission and absorption lines of hydrogen.
McGraw Hill
Mc Graw Hill Companies: Origins of the Quantum Theory
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...