Simon Fraser University
Chem1 Virtual Textbook: Molecules and the Properties of Bonded Atoms
College-level site goes into great detail about chemical bonding properties, as far as energies, structure, angles, and length. Infrared absorption, the greenhouse effect, and global warming are addressed to exemplify bond length...
TeachEngineering
Teach Engineering: Let's Make Silly Putty
Students make two different formulations of imitation Silly Putty with varying degrees of cross-linking. They witness how changes in the degree of cross-linking influence the putty properties.
Other
Educational Innovations: Diaper Polymer Activities [Pdf]
What can you do with diaper polymer? Check out these six quick student experiments involving the chemical used in diapers.
Concord Consortium
Concord Consortium: Semiconductors
Semiconductors are the materials that make modern electronics work. Learn about the basic properties of intrinsic and extrinsic- or doped- semiconductors with several visualizations. Turn a silicon crystal into an insulator or a...
Concord Consortium
Concord Consortium: Quantum Tunneling
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...