A learning unit about earthquakes includes activities for primary grade students, including making inferences and defining operationally. Task cards are included for independent study on earthquake maps and earthquake measuring. (CB)

A brief lesson is presented on ways in which things become clean or are cleaned. Two hands-on experiments are described: one in which students learn to sequence, and the other in which students learn about the differences between fact and opinion. (CB)

Activities and information relating to dinosaurs are presented, including: study of warm- and cold-blooded animals; research about recent dinosaur discoveries; track-making; studying and making fossils; and extinction theories. (CB)

A discussion of TV weather forecasting introduces this article which features several hands-on science activities involving observing, researching, and experimenting with the weather. A reproducible worksheet on the reliability of weather forecasts is included. (IAH)

A special tear-out-and-duplicate section provides activities for increasing environmental awareness. (RW)

Here are 10 activities guaranteed to enrich your science curriculum and to increase your students' interest in the world of insects. (Author)

Designed for elementary school teachers, this article describes the recent eruptions of Mt. St. Helens, provides basic information on volcanos, and gives instructions for making a model volcano in the classroom. Resource materials for students and teachers on volcanos are listed. (SJL)

Kite flying as a fun class project is proposed as a way of letting students apply what they've learned about air. A design for a kite made from a trash bag is provided, as are kite flying tips and resources. (MT)

Suggests science activities for a unit on goldfish, including experiments investigating reactions of fish to light, sound, current and temperature. (CM)

In Clinton, Iowa, some fourth graders have benefited from a different sort of program, setting up what they have labeled their "morgue". Article described how the students brought some excitement to learning about the insides of their bodies. (Editor/RK)

The use of invertebrates as classroom "pets" can develop students' skills in scientific inquiry and instill respect for science. Few materials are needed for projects involving invertebrates. Suggested activities using snails, crickets, earthworms, crayfish, and guppies are offered. (DF)

The Grand Canyon, the natural wonder visited most often in the United States, is explored on foot, on burro, and by boat in this article. Learn about the canyon's different rock layers as well as its erosion, plant life, animal life, and water flow. (JM)

Presents science activities to help elementary children learn about water resources and home water conservation. A reproducible worksheet is included. (SJL)