Uses computers to help students identify variables controlling pendulum period. A program written in BASIC for the Apple computer is provided. The activities are useful for developing science skills, mathematics skills, and computer skills. (PR)

Presents the ozone depletion story as an excellent case study for the integration of science-related social issues into the college science curriculum. Describes the history of ozone depletion and efforts to remedy the problem. Provides a lecture outline on ozone depletion. Discusses integrating other science-related interdisciplinary topics in…

Results of a HyperCard method for assessing the performance of expert and novice high school chemistry students solving stoichiometric chemistry problems (balancing chemical equations) is reported. MANOVA results indicate significant difference between expert and novice students solving the five stoichiometric chemistry problems using…

Describes how one seventh-grade science teacher at a Kansas middle school uses computer technology to teach such science units as science careers and the systems of the human body to his students. (BB)

Discusses the following questions: (1) What is hands-on science? (2) What does it mean to be engaged in hands-on science activities (HOSA)? (3) How can teachers tell good HOSA? (4) When is a good time to use HOSA? (5) What can students learn from HOSA? (6) What assessment techniques will help teachers understand what students are learning? (PR)

Presents several across-the-curriculum activities for elementary teachers. Math activities include reading a book and dividing with beans. Science activities teach about caves and about the weather. A writing activity explains how to inspire students to write good stories. An art activity focuses on Chinese landscapes. (SM)

Discusses a theme-based project (third in a four-part series from the California Academy of Mathematics and Science) provoking critical thinking concerning meeting human needs through technology. Notes that students were "transported" back into the Middle Ages and had to raise money for their travel back to the future using science, mathematics,…

Computer-assisted genetics instructor (CAGI) is a database program to help students and teachers identify conceptual weaknesses, provide interactive drill to master problem solving, and reduce teacher tutorial time. Results of a comparison of users and nonusers indicates that CAGI users averaged between 6 and 10 points higher on hour exams than…

Presents two techniques involving simple and inexpensive demonstrations: (1) explains how pressure inside cells gives them mechanical strength, and (2) shows how water can be pulled up stems. Both can be adapted to suit a variety of levels of instruction. (PR)

Describes the use of role playing and skits for instruction in protein synthesis. (PR)

Provides background information on DNA fingerprinting, and describes exercises for introducing general biology students at the high school or college level to the methodology and applications of DNA fingerprinting. (PR)

Describes how lectures, laboratories, and role playing can be used to introduce students to the importance of water quality of water used for plant growth. (PR)

Describes an activity in which students examine hypothetical exposure to toxins by being showered by different colored pieces of confetti over several visits to exposure sites. Students record quantities of confetti that stick to packing tape. Colors correspond to different toxins posing different health problems. Students process their findings…

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)