Unit Plan
Khan Academy

Khan Academy: The Quantum Mechanical Model of the Atom

For Students 9th - 10th
An explanation using quantum mechanics to describe the atom.
Article
Khan Academy

Khan Academy: The Quantum Mechanical Model of the Atom

For Students 9th - 10th
Introduction to the quantum mechanical model of the atom: Thinking about electrons as probabilistic matter waves using the de Broglie wavelength, the Schrodinger equation, and the Heisenberg uncertainty principle. Electron spin and the...
Unit Plan
CK-12 Foundation

Ck 12: The Quantum Mechanical Model

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will calculate the wavelength, frequency, and energy of light using Planck's constant and the speed of light. They will...
Handout
Other

Erik's Chemistry Page: Electronic Structure of Atoms

For Students 9th - 10th
A description of quantum theory, the Bohr model of the atom, the quantum mechanical atom, the Scrodinger equation, and quantum numbers.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Models of the Hydrogen Atom

For Students 9th - 10th
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Unit Plan
Khan Academy

Khan Academy: Bohr's Model of Hydrogen

For Students 9th - 10th
Resource investigates how Bohr's model of hydrogen explains atomic emission spectra.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Quantum Atomic Structure

For Teachers 9th - 10th
This multi-day lesson plan helps young scholars to understand how the models of the atom have changed and how quantum mechanics affects the electrons as they orbit the nucleus.
Handout
Michael Blaber, PhD

Florida State University: The Bohr Model of the Atom

For Students 9th - 10th
A well designed clear tutorial explaining the energies involved in the Bohr model of the atom. Illustrations add to the clearly presented equations.
Handout
Other

Socratic: What Are the 6 Models of the Atom?

For Students 9th - 10th
Brief explanation of six major models of the atom along with illustrations. Covers the Greek model (Democritus), John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and the modern electron cloud or quantum mechanics model.
Handout
PBS

Pbs: Planck Discovers the Quantum Nature of Energy

For Students 9th - 10th
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
Handout
University of Colorado

University of Colorado: Physics 2000: Bohr's Atom

For Students 9th - 10th
An outstanding site that can best be described as student friendly. It describes the main differences between the classical and quantum models of the atom. Clear and well illustrated.
Unit Plan
Lawrence Berkeley National Laboratory

Berkeley Lab: The Particle Adventure

For Students 9th - 10th
Visit this site for an interactive tour of the atom and all aspects of particle physics. View the animations available with almost every description on this site. A great place for the fundamentals of particles and forces including a...
Handout
University of Colorado

University of Colorado: Physics 2000: Schrodinger's Atom

For Students 9th - 10th
A simple dialogue to explain quantum theory and the Schrodinger equation. Includes several java applets.
Interactive
CK-12 Foundation

Ck 12: Physics Simulation: Atomic Colors

For Students 9th - 10th
[Free Registration/Login Required] Explore the Bohr model of atoms by studying the absorption and emission of light from simple gases in the context of starlight using this interactive simulation. A PDF worksheet and a video tutorial are...
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...
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Rutherford Scattering

For Students 9th - 10th
How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining...
eBook
Other

National Research Council: Elementary Particle Physics

For Students 9th - 10th
The Committee on Elementary-Particle Physics, part of the U.S. National Research Council, presents this massive report on particle physics. It's a definitive document. Surprisingly readable, totally detailed. Start with the Table of...
eBook
CK-12 Foundation

Ck 12: Flex Book Textbooks: Chemistry Second Edition

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Chemistry concepts.
Graphic
Curated OER

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...
Graphic
Curated OER

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...
Graphic
Curated OER

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...
Graphic
Curated OER

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...
Graphic
Curated OER

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...
Graphic
Curated OER

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...