Students use their own model of a salt crystal and water molecule to show how water dissolves salt. Then, they relate their observations to the structure of salt, water, and alcohol on the molecular level.

A great page for all around biochemistry and background information. Includes the molecular structure and most of the information relevant to its role in living cells.

A great page for all around biochemistry and background information. Includes the molecular structure and most of the information relevant to its role in living cells.

A great page for all around biochemistry and background information. Includes the molecular structure and most of the information relevant to its role in living cells.

A great page for all around biochemistry and background information. Includes the molecular structure and most of the information relevant to its role in living cells.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.

Need to review a topic for AP Chemistry? This site features a collection of video lectures covering the curriculum of AP Chemistry. The lectures are broken up by topics and vary in length. Lectures cover thermodynamics, bonding,...

Demonstrate surface tension by sprinkling pepper on a bowl full of water, then touching a soapy finger to the water.

This lesson covers chiral molecules, which are important in carbohydrate and protein chemistry. Understanding the difference in their structures helps with understanding the different biochemical properties of molecules with similar...

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.

The molecular basis of indicator color changes. Includes Chime structures for the acid and base forms of phenolphthalein, methyl orange, red cabbage indicator, and cyanidin diglucoside.

Johns Hopkins University School of Medicine site detailing ongoing research in Biophysics & Biophysical Chemistry. The site has links to courses, seminars, faculty, graduate studies, and general information.

[Free Registration/Login may be required to access all resource tools.] A collection of learning opportunities about electron orbitals. Includes videos, activities, discussion questions, and quizzes.

This Franklin Institute webpage provides an introduction to understanding sound waves based on 5th grade science lessons.

[Free Registration/Login Required] An informational text about how cooking causes changes in matter. A question sheet is available to help students build skills in reading comprehension.

George Zaidan and Charles Morton shape our image of molecules. [3:47]

Delve into a microscopic world working with models that show how electron waves can tunnel through certain types of barriers. Learn about the novel devices and apparatuses that have been invented using this concept. Discover how...

A very interesting molecular model of an antibody. Not much information is given, but the ribbon structure itself is worth a look.

Students learn about James Watson and Francis Crick's biography on this website. Understand how these scientists discovered the structure of DNA called the double helix. They were molecular biologists.