Describes an inquiry investigation to enable students to understand water cohesion, surface tension, and heating curves for water. The investigation includes several activities organized in a three-phase learning cycle: (1) exploration; (2) concept invention; and (3) concept application. (DDR)

Suggests that further exploration into alternative ways of presenting content and achieving required learning sets is needed. Points out that current research in human cognition and multiple intelligences can set the stage for enhanced learning opportunities for students. (DDR)

Discusses some features of instructional approaches that promote meaningful learning. Focuses on creating an environment in which students can be mentally attentive. (DDR)

Proposes some procedures to aid teachers in detecting plagiarism and preventing students from choosing to plagiarize. Includes a list of Internet writing resources. (DDR)

Discusses the merits of and some methods to incorporate language arts instruction into science lessons. Connects the development of good communication skills to science education standards. (DDR)

Describes a module that combines a traditional hex nut activity with a sugar cookie activity to provide students with an in-depth understanding of balancing chemical equations. (DDR)

Presents an account of one teacher's path to realizing the depth of intuitive beliefs about science. Organizes chemistry misconceptions into eight patterns of reasoning that include thinking rules and alternative conceptions. (DDR)

Describes the construction and use of a machine to demonstrate centripetal force. Includes a lab activity for use with the machine. (DDR)

Examines the nature of observational science and cites its role as a foundation for subsequent scientific research. Uses a case history to illustrate the interplay of observation, problem recognition, and hypothesis testing. (DDR)

Details the skills and approaches that student teachers need to possess and develop as they begin their work in the classroom. Includes a web map for student teaching. (DDR)

Presents an activity that encourages students to think as scientists and explores microgravity. Employs a drop tower built with simple materials. (DDR)

Reexamines an experiment in which the volumetric fraction of oxygen in air was supposed to have been determined. Presents challenges to the procedure. (DDR)

Discusses how the topic of cratering can be used to help students develop inquiry skills. Details five activities that focus on the nature and processes of cratering. (DDR)

Supports the use of assessment probes to measure scientific achievement. Provides several examples and discusses the characteristics of effective probes. (DDR)

Reports the results of a National Science Teachers Association (NSTA) study that analyzed science classroom safety. Examines the potential need for a national safety indexing system to rank states with regard to science safety. (DDR)