The site provides an outlined lesson plan that includes a list of the materials needed, diagrams, background information, what to do and how to do it, ready made tables, and questions for the student to answer. The activity has several parts. You may choose which parts you want your students to do. The procedures are step by step and easily understood. Have the students go directly to the web site to follow the procedures and to use the tables of data provided for the experiment.
Students can also read the background information provided.
The overall objective is for the students to build a physical model to measure water balance in the soil. Further calculations can be made, graphs can be produced, as well as further testing. The following learning and performance objectives correlate to this activity, and support Ohio proficiency test outcomes . You may use them to tailor this activity to your local curricular objectives and goals. Strand I Nature of Science 8.