Describes an experiment in which students answer a set of questions about the structure of a simple molecule given the computer output of a Patterson map obtained by X-ray diffraction. (MLH)

Provides an historical chronology of events related to understanding the photoelectric effect. Focuses on the early history, the mystery of the photoelectric effect, the contributions of Albert Einstein and Robert Millikan to the field, and hands-on activities that demonstrate the phenomenon to students. (DDR)

Presents activities that focus on waste reduction in the school and community. The ideas are divided into grade level categories. Sample activities include Techno-Trash, where children use tools to take apart broken appliances or car parts, then reassemble them or build new creations. Activities are suggested for areas including language arts and…

Describes how to construct a form of a Kelvin Electrostatics Generator from readily available components and provides an explanation of how it works. The device can generate 10-12 mm long sparks in the air. (DDR)

Provides a description of an experiment in which students use a standard ultraviolet and intense blue (UV/VIS) spectrophotometer to measure the amount and energy of light. Explains how a simple measurement of the transmission spectrum of sunglasses can reveal differences between brands and can illustrate the destruction of the earth's ozone layer.…

Describes a research project where students use a wide variety of resources including the Internet to find information for their presentations on epidemiology. Highlights a few web sites that students have found particularly useful and interesting. (JRH)

Describes a procedure used to measure force and pressure in elastic arteries. Discusses the physics of the procedure and recommends the use of bovine arteries. Explains the preparation of the arteries for the procedure. (DDR)

Explores how third- and fourth-grade children (N=24) make sense of a scientific procedure introduced to them which they had used before in their own experimental inquires. Findings provide a picture of the complexity of understandings in this simple process. Contains 42 references. (DDR)

Describes an experimental project that uses plant tissue culture techniques to examine cell differentiation in the carrot. Allows students to gain experience in some important techniques and to explore fundamental questions about cell differentiation. (DDR)

Describes an activity designed to comply with the National Science Education Standards that introduces the principles of buoyancy and density by using plastic soda bottles, ketchup packets, and other simple materials. Laboratory activity is included. (DKM)

Outlines several activities and games in which students play the roles of sun, earth, and moon at different times of the day, month, and year. (DKM)

Reports on a project sponsored by the United States Department of Energy (DOE) that engages students in building solar cars in groups with kits that include a three volt panel. The design and engineering decisions are made by the students using pertinent information. (DDR)

Advocates introducing young students to realistic nature drawing as a way of integrating art and science. Describes an earthworm art project using a salt dough model and a realistic drawing. This activity should begin with a view of the real subject whenever possible before proceeding to the actual artwork. (AIM)

Describes the construction of a simple apparatus that can be used to take advantage of the overhead projector in a spectacular presentation of chemical reactions that complement quantitative approaches of study in the traditional high school science classroom. (JRH)

Describes an approach that uses fiction as a springboard to environmental science experiments and discussions. (JRH)