The official Nobel biography of William Lawrence Bragg. the son of William Henry Bragg, who shared the 1915 Nobel Prize in Physics with his father. This article focuses on Bragg's science activities, positions, and achievements and honors.

A site showing the structures of water and ice and explaining how they are affected by hydrogen bonds. Includes a movie animating hydrogen bond formation and disruption.

This site provides a basic definition of reverse osmosis, with a bit of a slant on why water pretreatment is important.

This power point covers the molecular structure chapter from "An Introduction to Chemistry". It reviews the main ideas and shows many examples of covalent bonding from valence electrons. Also includes detailed steps to drawing lewis dot...

Students work through animated models showing the effects that electron repulsions have on the shape of a molecule in this web-based activity. In addition, shared and unshared electron pairs are demonstrated to define a molecule's shape....

At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.

This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...

Here you can learn about biochemistry, the chemistry of the living world. Content explores carbohydrates, lipids, amino acid structure and proteins, enzymes, nucleic acids, and metabolism.

Take an interactive quiz over organic compounds. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Great page for the general background and biochemistry of the molecule. This version of the Bristol University site offers a Java Applet version of the molecule that offers 3-D manipulation of the molecule. The CHIME version is better,...

An explanation of how photoelectron spectroscopy can be used to detect electron structures in atoms or molecules.

Explore what happens when a force is exerted on a polymeric plastic material. The molecular structure of a material affects how it responds to an applied force at the macroscopic level.

This lesson will demonstrate how to use molecular shape to determine if a molecule is polar or nonpolar. It is 2 of 2 in the series titled "Polarity of Molecular Compounds."

Investigate the structure of ethyl butanoate, a common ester, by manipulating a 3-D model. View the molecule from all sides and also visit the links to animations, tutorials, and power points about other chemistry topics.

Discover the chemical structure of ketones by manipulating these 3-D molecules. Also find links to information about other chemistry topics.

Discover the structure of simple sugars by manipulating these 3-D monosaccharide molecules. View them from all angles, and also find links to information about other chemistry topics.

This chemistry lesson will test students' understanding of VESPR structures. They will use marshmallows and redhots to investigate molecules, acids, and polyatomic ions.

In this interactive activity from NOVA, learn about the molecular structure of steroids. See the intermediate molecules that are part of the pathway for synthesizing cortisone from diosgenin.

This unit will look at the most common biological molecules. The objective is for you to become familiar with the structures and properties of sugars, lipids, amino acids and nucleotides.

Provides a good outline of the concepts involved in ionic and covalent bonding, with links to definition of terms. Features a list of common molecular compounds and a chart that compares ionic and molecular compounds.

Dutch version of the well-known "Particle Adventure" physics website that teaches students about atoms, mass, particle physics, and quantum physics. The site discusses theories related to physics and provides other links related to the...

This Access Excellence site provides a general biography of Linus Pauling, the two-time Nobel laureate who the elucidated chemical bonding, amino acid and protein structures, and the molecular basis of sickle-cell anemia.

This information can be used for exam review or as an introduction. It presents a good overview of the topics with charts, graphs, links, and a quiz.

Take this interactive, multiple-choice quiz over the biochemical processes of life, then review your score and any missed questions at the end.