Educational value of death in classroom animals is discussed. Teacher guidelines to help children achieve a realistic acceptance of death are presented. (CS)

Describes the construction and use of a model for calculating the hours between sunrise and sunset for earth science students. (SL)

The mean and median age of science and technology materials in the five middle school library collections located in the Springfield (Ohio) City School District were calculated. The percentage of books 10 years old or older was calculated. Science and technology were chosen due to the rapid amount of change in these areas. Three broad Dewey…

Provides an annotated list of educational journals that are of particular interest to elementary, secondary, and college science teachers. The journals are grouped into the areas of problems and research in science teaching, biology education, chemistry education, physics education, and earth science education. (JR)

Describes the laboratory procedures for the measurement of thermal expansion and viscosity of liquids. These experiments require inexpensive equipment and are suitable for secondary school physical science classes. (JR)

Describes how animated drawings can be simply prepared and used effectively as a teaching aid in science. (JR)

Briefly outlines ways in which kites may be used in the junior high school science and mathematics curricula. (JR)

Describes a community program in which volunteers, from nine-year-old girl scouts to eighty-year-old retired citizens, assist in preparing materials for the local school's science classes. (JR)

Discusses the concept of time zones around the world and describes a teaching aid that is useful in helping students to understand this concept. (JR)

Discusses the benefits that students gain from the production of a science newspaper. Provides guidelines relating to the editing procedures and content which should assist in the production of a worthwhile student newspaper. (JR)

Describes an experiment which yields low-volatility phenylacetylene, and suggests the use of the liquid product to examine alkyne chemical reactivity in organic chemistry courses. (CC)

Suggests uses for and possible adaptations of a set of semiflexible molecular models. Includes price and supplier information. Also suggests rubbing oil from human face/hands along the pouring lip of a beaker, allowing one to pour uniformly from the beaker spout and making the process as dripless as possible. (Author/JN)

Briefly described are 25 "hands on" classroom activities which require live, freshly killed, or preserved grasshoppers. Topics of activities include predator-prey relationships, feeding habits, locomotion, dissection, anatomy, and population estimates. (DS)