Adequate concentrations of dissolved oxygen are necessary for the life of fish and other aquatic organisms and the prevention of offensive odors. This lesson builds on familiar observations, such as bubbles forming in a glass of water as it warms and minnows dying in a bait bucket when water isn't changed.
Students explore the ability of lake trout to survive in a specific environment.
Students can meet the goals for this lesson by completing a directed study or an inquiry lesson. Students will need to print the worksheet. The student inquiry lesson places students as Minnesota Department of Natural Resources fisheries biologists. Students collect and analyze data and develop a final presentation. They need to print directions for the student inquiry lesson.