Presents the following guidelines to consider before, during, and after hands-on inquiry: (1) plan and prepare; (2) create problem intrigue; (3) give students the responsibility of solving the problem; (4) offer feedback and guidance; (5) debrief; and (6) anticipate, prevent, monitor, and adapt. (PR)

Presents an activity in which students construct model hot air balloons to introduce the concepts of convection current, the principles of Charles' gas law, and three-dimensional geometric shapes. Provides construction and launching instructions. (MDH)

Describes the teacher's guide made up of 125 student activities encompassing 1 year of high school physics instruction called Physics Resources and Instructional Strategies for Motivating Students (PRISMS). The learning cycle of each activity includes three phases: exploration, concept introduction, and concept application. Provides exploration…

Describes teaching strategies, including science activities, for challenging students' misconceptions about turtles and helping limited-English-proficiency students enhance their language proficiency. (PR)

Presents reviews of literature for the following areas: perceptions and attitudes; curriculum and instruction; women and minorities; and the physical environment, educational technologies and support services. (PR)

Describes having students write lab reports that concentrate more on writing and independent thought. Students take the role of scientists writing about their findings for publication. The teacher acts as a journal editor, reading the reports and either accepting them for publication or suggesting ways for improvement. (PR)

Presents a problem-solving activity in which students determine the effects on the water level in a pool when rocks are removed from a boat floating in the pool and placed into the water. Students discuss the problem, design an experiment to test solutions, conduct the experiment, and draw conclusions. (MDH)

A guide for teachers and librarians covering over 50 Spanish-language books that introduce children to various animals; the world around them; colors, shapes, and numbers; the universe; basic science concepts; and the process of conception, pregnancy, and birth. (MDH)

Describes a kit designed as a leisure time activity for teenagers and adults who have had little previous experience of magnetism and electricity. The kit may be useful for homework, small group work, or as a training course for nonscientist science teachers. (PR)

Provides instructions for making telescopes. The design and instruction sheets given to students are provided. (PR)

Evaluates the effects of the scaffold explanation-based approach to collaborative discussion on students' understanding of photosynthesis. Forty-eight fourth- and fifth-grade students were divided into groups of high, average control (AC), and average intervention (AI). Students worked collaboratively and individually on two reasoning tasks.…

Describes how to place mathematical equations modeling population growth into a spreadsheet that performs calculations quickly and easily. Suggests experiments that can be performed with the spreadsheets. (WRM)

Introduces an issue that details a complex study of a science-teacher-education program whose goal was to graduate teachers who held conceptual change conceptions of teaching science and were disposed to put them into practice. Presents a conceptual framework for science-teacher education, and describes the context and major questions of the…

Describes an action-research project conducted by student teachers in Edinburgh designed to explore ways in which children picture what happens inside an electric circuit. The student teachers also explored their own understanding of electricity. (Author/WRM)

Reviews selected research on children's early formation of categories. Finds sophistication in how children group objects and think about those groupings. Notes findings related to type of grouping (thematic or taxonomic), multiple classifications, overgeneralization, the role of background knowledge on classification abilities, the…