Discusses housing facilities for living animals in the classroom or laboratory. The construction of animal cages from materials obtained locally is described. Space recommendations for laboratory animals and cages are also included. (HM)

Describes a number of experiments which give the student an opportunity to observe the effects of the electrical nature of matter without trying to explain why a given phenomenon is occurring. These experiments should be introduced before discussing the structure of atoms, and provide practical experience for later theoretical discussions. (JR)