Each year more lives are lost due to floods than due to the next 18 natural disasters put together. The element of human choice makes the study of floods and droughts an opportunity for decision making experiences for students. This document contains information and activities designed to be used in correlation with a science unit or as a supplement to an elementary science curriculum. The lessons are arranged sequentially, but activities can be extended or omitted according to student interests and abilities. Questions are included that require students to: (1) look for cause and effect; (2) make predictions based on information in the reading selections; and (3) to draw conclusions supported by the evidence presented. Extension sections are included to challenge students to pursue topics and free informational material according to their interests, talents, and capabilities. A glossary and an answer key for the activities are included. (TW)