Brainstorm the daily uses of water on the board/overhead (some may be review from the In Search of Water activity) and review the items on the water log. If there are activities missing, have students add them to the log.

Instruct students to track their use of water using the water log; for missing activities, have students determine the volume of water used for each

(2-3 days elapsed) Tally the total amounts of water used for each category, by student and by class.

Have students construct graphs to represent their individual data; assign individual students to create graphs of class data.

Discuss the ways in which we use water every day, and how dependent we are on this resource. Ask students to identify activities in their daily lives that do NOT require the use of water in one way or another (is there such a thing? For instance, technically all energy produced by the body to perform any function essentially requires water) in order to indicate the importance of water in the students' lives.

Use the graphs, discuss which activities use the most/least amounts of water, and which activities seem to be the most wasteful uses of water. These initial ideas will serve as a precursor for other lessons in the unit. 

As an extension to this activity, have students write a brief paragraph on how it would feel if Canada ever had such a low water limit, or a world without water, or perhaps even a poem or creative writing piece about the importance of water.