THIS is a revised and enlarged version of the author's Laboratory Manual published in 1913. In addition to some fifteen new experiments, introductory paragraphs have been prefixed to each experiment ...

A NUMBER of simple and instructive experiments are described by Mr. Wyatt in the practical handbooks referred to above. Following sound educational principles the student is told what to do, but so ...

Practical work in school science plays many essential roles that have been discussed in the literature. However, less attention has been paid to how teachers learn the different roles of practical ...