Notes on the 2001 Edition
- Investigation 1: Use of Water in Your Home
- Investigation 2: Tracing Water in Your School
- Investigation 3: Sources of Water
- Investigation 4: Water Movement on the Planet
- Investigation 5: The Special Properties of Water
- Investigation 6: The Quality of Your Water Resources
- Investigation 7: Cleaning up Water Resources
- Investigation 8: Water Conservation Partnership Plan
Teacher's Edition, Page 115, Background Information
First sentence in the third paragraph should read: "Evaporation (change of water from liquid to vapor), condensation (change of water from vapor to liquid or solid), and precipitation ( the falling of condensed moisture) are the major processes in the water cycle.
Teacher's Edition, Page 159, Answer for the Teacher Only
First sentence should read: "...water is that it is less dense in the solid form than the liquid form." "less dense" replaces "more dense"