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Peer reviewedSussman, Beverly – Science Scope, 1992
Author describes five self-developed activities that utilize readily available materials to help students understand surface tension in liquids. The hands-on activities allow students to see that strong bonds hold molecules together in a liquid and the molecules seem to stretch producing a "skin" at the surface of liquids. (PR)
Descriptors: Intermediate Grades, Junior High Schools, Manipulative Materials, Physical Sciences
Peer reviewedMeyer, Rick; Fortner, Rosanne W. – Science Scope, 1997
Presents an activity in which water temperature is investigated in relation to water depth, weather patterns, land use, time of year, and other factors students choose to investigate with data collected from the Internet. Uses the Great Lakes as the setting for this investigation and examines how and why the temperature of a body of water changes…
Descriptors: Earth Science, Heat, Intermediate Grades, Internet
Peer reviewedHairston, Rosalina V. – Science Scope, 1997
Describes two model water education programs. The River Ecology Program teaches students basic ecological concepts related to rivers, explores the impact of human activities on rivers, and helps students develop an attitude of stewardship for rivers. The Wetlands Watch Program has students conduct studies related to local wetlands and respond…
Descriptors: Demonstration Programs, Ecology, Environmental Education, Intermediate Grades
