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Chapter 2: Inside the Atom

Computer Graphics
Different movies and images of atomic structures; includes a nice MOV movie of the Bohr model. Try to recreate the shape of some models using balloons.

Radiocarbon Dating
A discussion of radiocarbon dating with internal links to how it is used to date different types of materials. Why is carbon used in radioactive dating?

Radioactive Tracers Technology
A brochure designed by the Southwestern Research Institute on how radioactive tracers are used. How does SwRI use radioactive tracers in their research?

Nuclear Medicine
A division of an Australian hospital that shows how radioactive tracers are used in medicine. Write a journal entry explaining how nuclear medicine is used today.

The Discovery of the Electron
This site describes the history of the electron and its discoverer, J.J. Thomson. Visit this site and hear Thomson describe how he discovered these subatomic particles.

STM Image Gallery
Visit this site to see various examples of STM images of atoms. After visiting this site, describe to a friend the different types of atoms you have seen.

ADA: Food Irradiation

Facts About Food Irradiation

National Food Safety Database - Irradiation

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IFIC - Food Irradiation News Backgrounder

These sites describe the different positions on food irradiation. After reviewing the research and opinions, stage a debate about the subject in your class.

Unit 1: Chemical Interactions

How Things Work
A site maintained by A. Bloomfield, the author of "How Things Work: the Physics of Everyday Life." Students can read old questions or ask Bloomfield their own. As a group, formulate a question for Bloomfield and ask it.

The Particle Adventure Home Page
An in-depth description of particles; includes a QuickTime movie and various links to a variety of nuclear subjects. Go through the adventure and write a journal entry about your experiences.

Taits Periodic Table of Elements
This site features an interactive periodic table with information on the different groups and all the elements. Visit this site to learn more about a specific group of elements, like the Noble Gases.

Chemical Bond
This site gives a very general breakdown of the different types of chemical bonds. Form a small group and together create a catalog of common substances and what types of bonds they contain.

Types of Chemical Reactions
This educational Web page, maintained in Utah, explains the different types of chemical reactions. Visit this site and, under the supervision of your teacher and in a small group, run the experiments linked at the bottom of the page.