Students participate in two interactive exercises designed to help the user learn about river processes like discharge, flooding, and flood frequency. Each activity requires a person to make careful observations and measurements, do simple calculations, and answer questions about his or her work. A Certificate of Completion is available for printing at the end of each activity. Full description.

This is a well constructed curriculum module dealing with the water cycle. In this module, students first carry out a number of activities that demonstrate the concepts of evaporation, condensation, precipitation, and soil moisture and runoff. The students then construct a terrarium as a way to observe the water cycle as a whole. Immediately following this, students use the Internet to acquire real ... Full description.

Follow the adventures of a single raindrop character through the water cycle. The text is written at an appropriate level for primary students, and the illustrations will be compelling for young learners. A diagram the last page serves as a review of the raindrop's travels. Full description.

This interactive diagram allows the user to follow a drop of water from the source through the treatment process. Water may be treated differently in different communities depending on the quality of the water which enters the plant. Groundwater is water located under ground and typically requires less treatment than water from lakes, rivers, and streams. Users are invited to click on each treatment ... Full description.

This collection of databases is intended to aid in the assessment of the process of water conflict prevention and resolution. The searchable collections include data such as case studies, freshwater treaties from 1820 to 2001, events concerning historical water relations from 1948 to 1999, a register of international river basins, and information on interstate water compacts in the United States. ... Full description.

This is a comprehensive site that looks at many components of dams, including construction, destruction, and other issues. Access is organized into three levels by grade level. Information on cracks, case histories of the building and problems associated with some well known dams, and some real and imagined scenarios are included. Full description.

The Federal Emergency Management Agency (FEMA) deals with natural hazards such as hurricanes, floods, national security matters, winter storms, etc. in a non-threatening scientifc and fun manner for children. The site includes animations, videos, games, quizzes and questions areas that address hazardous situations that children may face at any given time. Full description.

Windows to the Universe is a user-friendly learning system pertaining to the Earth and Space sciences. The objective of this project is to develop an innovative and engaging web site that spans the Earth and Space sciences and includes a rich array of documents, including images, movies, animations, and data sets that explore the Earth and Space sciences and the historical and cultural ties between ... Full description.

This Web site features a daily image of an unusual aspect of the Earth's system. Each image includes a description, when and where it occurred, and other information. Search the archive by keyword or browse by topic going back to 2000. Full description.

This online collaborative project is part of the Center for Improved Engineering and Science Education (CIESE) program, which has developed internet activities for the elementary, middle, and high school level student. Based on data collected by their household members and their classmates, students determine the average amount of water used by one person in a day. They compare this to the average ... Full description.