Once students gather data from their experiments, they will report the findings to the class. Teacher should discuss with students that this was one solution to the tree deaths. There could be many factors to the tree deaths. It is known that balsam wooly adelgid destroys larger Frazier firs. Students are placed in cooperative groups of 3.
Students write a conclusion describing how well the experiment demonstrated the problem.
Students should also describe possible ways a tree can become sick or die. Take a picture of an unhealthy tree. Try to get an expert opinion on the cause of damage. Invite a guest speaker to talk about tree diseases, forest maintenance, or other related topics.