Students use manipulative models and small-scale simulations that promote learning of complex biological concepts. The authors have developed inexpensive wet-lab simulations and manipulative models for "Diagnosing Diabetes," "A Kidney Problem?" and "A Medical Mystery." (Contains 5 figures and 3 online resources.)

The philosophy underlying the African Primary Science Program, according to the author, is that the essence of science is not merely the statement of principles; it involves the struggle to find out about the material world. This program sought to develop the intellectual alertness of the children, and improve their questioning, and problem…

Describes features and offerings of Project AIMS (Activities that Integrate Mathematics and Science) which relies on materials developed and written by teachers and uses inexpensive, easily acquired equipment and supplies. The focus is on hands-on mathematics and science. Includes a brief critique of the program. (MKR)