Described is the construction and use of an apparatus which applies liquid displacement to the problem of volume determination, giving accurate and repeatable results within 0.1 ml of actual volume measured. The apparatus is easily made from two jar parts, two bottle parts, and a burette. (Author/MA)

Describes a program in which senior engineering students are given the opportunity to design, make, and test apparatus intended for an upper-level teaching laboratory. Discusses such projects as a vapor compressor test stand with refrigerant mass flow measurement, a double-walled concentric annular heat pipe, and a vacuum filling station. (TW)

Most children become excited about science because they can do something and because they can watch the results. These are some of the answers most elementary school students tell you when they are asked about science class. It has been substantiated by decades of research that experiential experiences are exciting and remembered, visual and…