This response sheet will allow students to write the results of three tests. 1) Oxygen level; 2) pH level; and 3) Nitrogen level. The normal ranges for each test are also given. Students can also categorize macroinvertebrates according to the chart. The chart shows which organisms live in healthy water, which organisms live in moderately healthy water, and which organisms live in unhealthy water. After both the chemical and the macro invertebrate study, the students can determine the health of the water.
I laminated these response sheets, and students put them on clipboards in order to take the response sheets to the stream. We used Expo markers to write on the laminated sheets. This worked out fabulously!
*In order to use these sheets, you will have to purchase chemical tests (which are cheap), and have nets and buckets available for students to collect macro invertebrates.
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