Explains forest fragmentation, the destruction of physical habitats for animals such as birds and points out the importance of studies on habitat and biodiversity. Introduces project ideas for songbird populations and their habitats which can be conducted in backyards or schoolyards. (YDS)

Presents a science activity on collecting micrometeorites from rainwater using magnets. Includes procedural information. (YDS)

Describes how to differentiate a planet from a star and presents an activity in which students investigate whether Pluto is a planet. (YDS)

Parents can do a lot to help children learn about science. Ten tips from experts suggest home activities, excursions, learning aids, and TV shows which can help children discover and enjoy science. (IAH)

Several across-the-curriculum activities, with a penguin theme, are described. Research, discussion, science, writing, math, and art activities are listed. Included is a list of resources which gives sources for books and posters. (IAH)

Describes a project that predicts the orbits of satellites using a TI-85 calculator. Enables students to achieve a richer understanding of longitude, latitude, time zones, orbital mechanics of satellites, and the terms associated with satellite tracking. (JRH)

Describes the construction and use of homemade kaleidoscopes using film canisters and microscope slides. (JRH)

Provides an activity using concrete examples to help students understand Dalton's atomic theory and explore its link to finding empirical formulas. (ZWH)

Presents an overview of an interdisciplinary animal behavior unit on wolves, including aspects of science, social studies, and language arts. Includes sources of wolf information. (MKR)

Presents an activity in which students use a discovery approach to learn about seed texture, similarities and differences among seeds, and which seeds grow on which trees. (MKR)

Discusses an activity in which computers with color monitors can be used to demonstrate light blending with relative ease. (MKR)

Describes two methods for rearing small aquatic invertebrates using submerged surfaces in an unfiltered current of water where fish are present. Presents suggestions on how to use the invertebrate communities in the classroom. (JRH)

Presents activities that help students distinguish between the beneficial layer of stratospheric ozone and the dangerous ground-level or tropospheric ozone, understand the chemical processes of ozone breakdown in the stratosphere, find the sources of ground-level ozone, and explore the differences in the patterns of ozone concentration over the…