Discusses two major types of bird behavior - maintenance and social. Compares the nesting habits of the bald eagle, eastern bluebird, and American robin. Explains the important relationships between nesting sites, reproduction, and survival. An introduction to fabric basics. Viewers learn that fabrics are an integral part of daily life and their use extends far beyond clothing.
Viewers tour a textile mill and watch raw acrylic become fabric.
Studies the size of glaciers, their formation, and their effects on the land. Explains the causes of the ice ages and how they are related to glacier growth and melting. Focuses on norm-referenced standardized achievement batteries. Participants learn how these tests are designed and constructed and how the norming process provides the basis for score interpretation. From the Classroom Assessment Training Program Series.