Discusses the harmful effects of balloon launches and the dumping of plastic debris into oceans. Cites several examples of plastic materials being discovered inside the bodies of sick and/or dead marine animals. Offers alternative activities to releasing balloons into the atmosphere. (RT)

Presents a module that focuses on the solvent property of water. Indicates the knowledge items, skills, processes, and attitudes that are developed in the unit. Includes background information as well as student directions for an experiment on solubility. (ML)

Offers two experiments centering on the properties of ice for elementary age students. Provides a listing of needed materials and recommended procedures. Suggestions for helping students are also included. (ML)

Cites three incidents of cargo being lost at sea. Discusses ocean currents and directs students in an activity to explore what happens to the floating debris from lost containers. (DDR)

Describes scope and significance of a high school water monitoring project and discusses problems and solutions related to water testing in general and winter water testing in particular. Discussions of stream velocity, stream flow, biotic index, and coliform bacteria tests are included. (DC)

Presents an activity designed to show how water temperature affects evaporation, condensation, and the water cycle. Demonstrates how thermal energy can cause phase changes and motion. (Author/WRM)

Presents an activity for grades three through six on the life/death of icebergs, their characteristics and effects (includes materials needed and procedures). Also presents an high school activity on marine careers which includes background information and instructions for completing a research paper on an ocean career. (JN)

Discusses the construction of artificial reefs for such uses as commercial fishing and recreational boating. Describes a class project in which students construct a small artificial reef and observe the changes over time in terms of temperature, salinity, flora and fauna. (TW)

Describes an activity in which students monitor the plastic waste production in their households, research its effects on freshwater and marine life, and propose ways to lessen the problem. Provides objectives, background information, materials, procedures, extension activities, and an evaluation for students. (Author/RT)