In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...

In this matter exam, high schoolers answer 80 multiple-choice and short-answer questions on atomic structure, atomic bonds, and equations related to energy spectra. A scientific calculator is recommended. A student's answer sheet and an...

Scientific models help explain ideas and concepts to non-experts. The online activity covers conceptual, mathematical, and physical models. Through four multiple-choice questions and three discussion questions, scholars gain a deeper...

In this online interactive atomic structure crossword puzzle activity, students use 5 clues to find the appropriate answers to complete the word puzzle.

Explore and control the building blocks of atoms! Physical science superstars add and remove subatomic particles to create atoms and ions with an easy-to-use interactive. An alternate activity includes an assignment that focuses on the...

Stars are too hot to visit, so how do we know what different stars are made of? An enlightening simulation uses a spectrum graph to show the various electron emission and absorption reactions. Scholars experiment with both helium and...

Protons and neutrons and electrons, oh my! Physical science scholars get hands-on with interactive atomic modeling. Starting with a simple helium atom, participants create and name ions, then build isotopes. Questions throughout the...

Feeling a little uncertain about your materials for teaching the quantum mechanical model of the atom? Here is an interactive that will help! Chemistry and physics scholars alike will benefit from a simple resource that illustrates the...

How much energy is required to break apart an atomic nucleus and does it vary based on the type of atom? Scholars virtually experiment with a linear accelerator in order to answer these questions. They alter the voltage, length of the...

In this online interactive history worksheet, students respond to 10 short answer and essay questions about the accomplishments of J. Robert Oppenheimer. Students may check some of their answers on the interactive worksheet.

What is a cyclotron and what does it have to do with atomic physics. Go to this site and find the answers to all your questions.

[Free Registration/Login Required] Uncover the relationship between pressure, force, and contact area in the context of a fire truck. Play with vehicle mass, number of tires, and guage pressure with this simulation to see what...

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...

[Free Registration/Login Required] Study the basics of radioactive decay and the properties of atomic nuclei in Marie Curie's laboratory and classroom. A PDF worksheet and a video tutorial are also available. [3:32]

[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...

Play ball using your knowledge of radiation quantities and units.

[Free Registration/Login Required] Learn about the most basic particles of matter, including quarks and leptons, and the four fundamental interactions using this interactive simulation. A PDF worksheet is also available.

Illustrated instructions for how to make a model of an atom (an atom mobile).

This site offers a wealth of online textbook-related materials that encourage the discovery of science in the world around us. Enter the site to access material on specific topics. Each section contains reading material (complete with...

Get an introduction to the four forces that interact between atomic particles. With the help of a simulation you'll see how building reconstruction would be affected without each of the forces.