This booklet was developed to provide Honolulu (Hawaii) students with an activity-oriented opportunity to learn more about water and water conservation. It contains inquiry-based games, puzzles, and activities dealing with: (1) how we use water; (2) where water comes from; (3) surface water; (4) groundwater; (5) population growth and its effect on water usage; (6) objects that use water; (7) wasting water; (8) water saving tips; and (9) the Honolulu Board of Water Supply. The answers to questions proposed in some of the activities are provided in the back of the booklet. (TW)