This activity introduces students to the complex chemistry of estuarine water. Students investigate how chemical and physical water quality factors-pH, temperature, dissolved oxygen, and salinity-change and interact over varying time...

Did you know that chemistry can be found in your kitchen? Enter this amazing virtual world where your first stop is to the kitchen. Locate the clues and move on to the Lab Journal where you can test each item in two experiments: Cabbage...

The purpose of this tutorial is to introduce you to some of the chemical concepts which are necessary to understand biology. Concepts include the basics for understanding biology, chemical bonds and attractive forces, the chemistry of...

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

A chance to complete an experiment with students around the world! This experiment requires students to test how much vitamin C is in certain foods. Once students receive their results, they post their findings to the page to compare to...

This resource provides information about Alfred Nobel, a scientist who contributed greatly to the world of chemistry. This article includes several pictures and details about Nobel's personal life and professional career.

Discusses the chemistry of nitrate, the negative agricultural effects of too much nitrate in soil and in water sources, its toxicity to plants and livestock, and the impact on human health.

Learn about kitchen chemistry alongside Ruff Ruffman. Students can use the videos, games, and activities from The Ruff Ruffman Show to discover how by investigating solids and liquids and exploring heating and cooling, science can help...

This project will teach you the basics of analytical chemistry, which is a must for students who want to go into chemistry or materials science. The molecules in objects we see all around us are constantly attracting each other....

Chromatography is a method used to separate mixtures of compounds and to identify each compound in the mixture. You may have separated the different inks in a black marker by using a strip of paper and water. There are many different...

Make your own indicator by using red cabbage leaves and common household items. Includes full list of materials, procedures, and scientific explanation of how to determine if a substance is acidic, basic, or neutral based on the colors...

[Free Registration/Login may be required to access all resource tools.] Describes the design and function of a calorimeter along with calorimetry sample problems.

[Free Registration/Login may be required to access all resource tools.] Defines electrolyte, nonelectrolyte, and discusses the conductivity of solutions.

Vview molecular structures and formulae of four common acids - acetic, nitric, phosphoric, and carbonic. Manipulate each structure to view it in a three-dimensional format.

Investigate three common amines from all angles by viewing these 3-D molecules. Manipulate the structures to see every bond.

Matter of any type can be subdivided into particles that are too small to see, but even then the matter still exists and can be detected by other means. Students will participate in hands-on activities to prove that matter is made up of...

Svante Arrhenius was born in Vik, Sweden, and became the first native of that country to win the Nobel Prize. The award for chemistry was bestowed to him in honor of his theory of electrolytic dissociation. Arrhenius also developed the...

Meet chemistry professor Dr. John Conkling in this interview from the NOVA Web site and learn why fireworks are his passion.

Peter Debye carried out pioneering studies of molecular dipole moments, formulated theories of magnetic cooling and of electrolytic dissociation, and developed an X-ray diffraction technique for use with powdered, rather than...

This non-profit organization brings "cool" science programs to schools in the Pikes Peak, CO area, but the website also provides exciting videos, experiments, and links to online users. Watch real chemistry and physics experiments and...

Learn the voltage formula for determining a measure of current electricity in this illustrated presentation.

Explains what nickel is, ways it is used, how it is produced, how it gets into the environment and into our bodies, and the health effects of exposure to nickel. Also discusses how to reduce the risk of exposure. Has links to additional...

Article explaining what methane is, its impact as a greenhouse gas on global warming, and natural and man-made sources of methane. (Published: April 30, 2010)

Defines inertial and gravitational mass, their scientific history, formulas used in their calculation, the definition of weight, units used for mass, and mass as perceived in the theory of special relativity.