National Institute of Open Schooling
Solid State
Crystal comes from a Greek word meaning ice. Activity eight in a series of 36 has class members analyzing amorphous and crystalline solids and further classifying them based on their forces. They then explore solids, learning about unit...
Teach Engineering
Quantum Dots and the Harkess Method
The Fantastic Voyage is becoming close to reality. The class reads an article on the use of nanotechnology in the medical field and participate in a discussion about what they read. The discussion method helps class members become more...
Encyclopedia of Earth
Encyclopedia of Earth: Microbiology: Cells
Article describing the parts of a cell. Includes chart listing the main parts of a cell and their definitions. Discusses some of the ways a cell can become damaged. (Published: February 28, 2008)
Florida State University
Florida State University: Molecular Expressions: Introdution to Cell and Virus Structure
This resource provides a detailed diagram of animal, bacterial and plant cells and viral structure. Also included are detailed drawings, with definitions, of each of the cellular organelles.
City University of New York
The World of Cells: Osmosis
This definition and explanation osmosis shows how water diffuses from regions where it is in high concentration to regions where it is in low concentration.
Other
Fundamentals of Reverse Osmosis
This site provides a basic definition of reverse osmosis, with a bit of a slant on why water pretreatment is important.
McGraw Hill
Mc Graw Hill: Epithelial Tissue
The structure and function of epithelial tissues and basements membranes are explained in this concise site.