Presents an activity that requires middle level students to use mathematics and measurement skills to estimate the mass of an extinct dinosaur using museum-quality models. (JRH)

Describes the Science Exchange Program that aims at increasing children's knowledge and use of the Internet and teaching them how commonplace items such as shells, rocks, and other natural materials differ throughout the world. Involves students from different countries connecting through the Internet. (JRH)

Presents an activity in which students learn about the changes in the state of matter by making taffy the old-fashioned way. (JRH)

Presents a role-playing activity that enables elementary students to learn how atoms and molecules behave. (JRH)

Presents a strategy that helps students visualize and comprehend moon phase changes through activities that use an Earth-centered point of view along with direct observations of the moon. Describes activities that parents can use at home to help children become familiar with observing moon phases. (JRH)

Describes the use of electronic mail discussion lists for students in science methods courses as an attempt at ensuring that preservice teachers are able to use electronic educational technology in teaching science. (JRH)

Describes how to construct a safe, inexpensive rocket for use with young children. (MKR)

Describes a unit involving the study of birds in order to help students become more aware of and appreciate their natural surroundings. (MKR)

Discusses a game and related activities to help students develop observation and inference skills. (MKR)

Explores the unique features of Alaska's Arctic ecosystem, with a focus on the special adaptations of plants and animals that enable them to survive in a stressful climate. Reviews the challenges facing public and private land managers who seek to conserve this ecosystem while accommodating growing demands for development. Includes classroom…

Presents recommendations for teachers and their instructors to help teachers master science courses. Comments for teachers include create a learning community, do not dread solving problems, think things through, and keep a positive attitude. Comments for instructors include think about who your students are, make your course learner-friendly, try…

Describes the conversion of a school courtyard to a working outdoor classroom and its use in teaching students about different subjects, including agriculture, barnyard animals, ecology, biology, horticulture, archaeology, and astronomy. (JRH)