Presents an activity that explores the temperature behavior of UV-sensitive beads and investigates the effectiveness of sunscreens. (ASK)

Reports on studies of students with severe learning difficulties and shows that they could, under appropriate conditions, display impressive concentration and curiosity, and often appeared to achieve valuable learning. Describes some of the dilemmas that may arise in developing these kinds of activities for special education. (Contains 35…

Presents an inquiry-based science laboratory on the harmonic motion of the pendulum aimed at middle and high school students. Explains the appropriate assessment procedure for the laboratory. (YDS)

Reports on an evaluation of the impact of two science enrichment programs on gifted high school students (n=330). Evaluates the programs using a multimethod, multiperspective approach that proves to be a comprehensive evaluation of program impact on science attitudes. (Contains 57 references.) (DDR)

Introduces a demonstration that can be used to explain elementary chemical thermodynamics of heating and boiling. (YDS)

Discusses nuclear power and the consequences of a nuclear accident. Covers issues ranging from chemical process safety to risk management of chemical industries to the ethical responsibilities of the chemical engineer. (Author/ASK)

Provides information on the experiences of 50 children displaced during Argentina's "dirty war" of the 1970s who underwent DNA and protein analysis and subsequently were reunited with their biological families. Considers not only genetic evidence but the moral, political, and emotional dimensions of these children's stories as well.…

Shares understanding of what a concept carton is. Outlines views of those who have used them. (ASK)

Discuses how gifted students may do and learn science. Uses the book "The Lorax" by Dr. Seuss to teach science to gifted students. (ASK)

Suggests two improved methods to measure the speed of sound in a metal rod. One employs a fast timer to measure the time required for a compression pulse to travel along the rod from end to end, and a second uses a microphone to measure the frequency of the fundamental mode of a freely suspending singing rod. (Author/ASK)

Presents several scientific activities for elementary school students focusing on electric circuits and conductivity. (ASK)

Presents an activity that allows students to apply problem-solving skills and chemical principles to calculate the cost for converting a gasoline-powered vehicle to propane. (Author/ASK)

Provides teaching suggestions for metric units incorporating humor. Includes teaching suggestions and rubrics. Also includes connections to other subject areas in literature, science, and mathematics. (MM)

Presents a science activity focusing on student ideas about plants and builds a terrarium based on students' ideas about the conditions of plant growth and cycling. (YDS)

Explains a health science activity concerning Howard Florey's experiment and the discovery of penicillin. Uses a mouse's point of view to conduct the activity and asks students to present information about Florey's research as if a participating mouse is talking. (YDS)