Pasteurization is a process name for French scientist Louis Pasteur , who discovered the process in the 1860s that undesired fermentation caused by bacteria could be prevented in wine and beer by heating it to 135°F (57°C) for a few minutes. The process is still used for sterilization of liquids such as milk, orange juice, […]
Archives for September 9, 2010
Plant Osmosis
Plant cells are surrounded by rigid walls made of cellulose (plant fiber), but water can still move through these walls to go in and out of plant cells. This movement of water is called osmosis. When water moves into a plant cell, the cell expands, much like a balloon does when inflated. Unlike a balloon, […]
Vertebrate Skeletons
A vertebrate is an animal with an internal backbone. The bones of a backbone are called vertebrae Birds, cats, dogs, dinosaurs and you have backbones. Did You Know? Most mammals have seven vertebrae in their neck. This means that you and a giraffe have the same number of neck vertebrae. Vertebrae are just part of […]




