Describes a series of simple but spectacular chemistry demonstrations designed to capture children's imaginations. The demonstrations take the minimum amount of time to prepare, are relatively safe to dispose of, and reliable. (Author/WRM)

Describes a laboratory exercise for undergraduate science students in which they evaluate soil samples for various parameters related to suitability for crop production and capability for retention of contaminants. (Contains 18 references.) (WRM)

Presents an activity that allows students to remove tarnish from silver using the reaction of tarnish with aluminum rather than the abrasion method of commercial tarnish removers. Makes suggestions for adapting the activity to an at-home investigation. (WRM)

Describes a physical system for demonstrating operators, eigenvalues, and superposition of states for a set of unusual wave functions. Uses candy to provide students with a visual and concrete picture of a superposition of states rather than an abstract plot of several overlaid mathematical states. (WRM)

Describes a set of simple, inexpensive, classical demonstrations of nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) principles that illustrate the resonance condition associated with magnetic dipoles and the dependence of the resonance frequency on environment. (WRM)

Investigated the ability of Swedish student teachers to explain everyday phenomena in science education, asking all fourth-term student teachers about phenomena where transformations of matter were involved. Analysis of students' written answers indicates that there is a great need in teacher training to work with conceptual understanding and with…

Details a project in which students explore and study the poisons in their environment by asking and finding answers to their own research questions. Includes some suggestions for involving students successfully in inquiry-based learning. (DDR)

Outlines an activity centered around the soap-making process in which soap is made via demonstration. Students are asked to develop an acid-base classification table and discuss various acid-base indicators. (DDR)

Measurement of the compositions and temperatures of H2O-NaCl brines in equilibrium with ice can be used as an easy in-class experimental determination of a liquidus. This experiment emphasizes the symmetry of the behavior of brines with regard to the minerals ice and halite and helps to free students from the conceptual tethers of one-component…

Argues that Lewis diagrams can be easily done by students using a minimal number of clues. Presents a method to draw the Lewis structure of molecules, polyatomic ions, and radicals whereby students no longer need to move bonds or lone pairs of electrons. (DDR)

Delineates some of the important difficulties that the reform of chemical education faces in Europe. Focuses on student perceptions of chemistry, the chemistry curriculum, and teacher training. (DDR)

Details the development of a multidimensional problem analysis, classification, and authoring method used to improve student understanding of the mole concept. Includes the results of assessment of the studyware. Contains 46 references. (DDR)

Details the incorporation of safety procedures and issues into the curriculum of an undergraduate chemical engineering unit operations laboratory course. Includes checklists and sample reporting forms. (DDR)

Describes two activities to analyze unit-cell structures from a geometric viewpoint and invites students to apply their mathematical understanding to scientific phenomena. Students form models of the simple cube, a building block of crystalline structures, and a methane molecule. (MKR)

Describes a course that weaves the learning of how to use the chemical literature with a discussion of the chemistry of the elements. The use of computer programs and games enables students to explore trends of properties among the elements. (DDR)