Describes the implementation of a new laboratory-based, interdisciplinary undergraduate course on linear dynamical systems. Focuses on geometrical methods and data visualization techniques. (Contains 20 references.) (Author/YDS)

Reviews the work of Lynn Dierking and John Falk on museum learning. Presents a contextual model for understanding museum experiences and learning. (DDR)

Describes organizing a science day which includes having a statement of purpose, the organization of the day, details about the activities, and specific outcomes for the day. Recommends varying the activities for different levels. (DDR)

Describes a variety of science resources on the World Wide Web that can be used to enhance the science classroom. Provides a synopsis of each of the 17 websites. (Author/MVL)

Describes the Envision Project to demonstrate how teachers designed and conducted their own study, and presented the results. Identifies project ideas for environmental problems with a site survey through the Internet, aerial photographs, and maps. (YDS)

Developed is a classroom activity that illustrates the scientific method. The importance of observation, interpretation, and prediction is discussed. The activity uses pictures of the surface of Mars. (KR)

Presented are directions for making a flexible lens that can be used by students to show the bending of light rays. Diagrams are included for supplementing the activities. (KR)

Presented is a hand model which can be used to compare and contrast mitosis and meiosis. Features and procedures of the technique are detailed. Limitations of the models are discussed. (CW)

Described is a laboratory experiment designed to expose students to problem-solving methods individually and as a group. Included are background information, a list of materials, laboratory procedures, analysis methods, and probable results. (CW)

Described are teaching methods used to teach measures of central tendency to middle and high school students. Discussed are quantitative and qualitative data, basic experimental terms, a general overview of data analysis, data charts for quantitative data, qualitative data analysis, and extensions for older students. (CW)

Presented is an experiment which provides a study both of the end correction involved with open pipes and also of the effect that varying the size of the tone hole in the pipe has on its fundamental frequency. Discussed are equipment, formulas, background, and methods. (CW)

Described are two microscale chemistry laboratory experiments including "Microscale Syntheses of Heterocyclic Compounds," and "Microscale Acid-Base Extraction--A Colorful Introduction." Materials, procedures and probable results are discussed. (CW)

Presented is an activity designed to introduce introductory chemistry students to the standard reduction potential table. Included are lists of equipment and reagents, procedures, sample worksheets, and teaching directions. (CW)

Introduced is a sandstone classification scheme intended for use with thin-sections and hand specimens. Detailed is a step-by-step classification scheme. A graphic presentation of the scheme is presented. This method is compared with other existing schemes. (CW)

An outdoor activity that demonstrates the Doppler effect is described. Class predictions are verified by actual involvement in collecting data. Presented is a method of analyzing data. Safety concerns are discussed. (KR)