Make sure you have enough equipment and that it works properly. Beginning Set the stage for what will happen during the session. Refer to the introductory paragraphs in each lesson, Before leaving for the study area, have the participants discuss what effects the investigation itself may have on the environment and any possible hazards that may be encountered. Arrange for checking out and returning the equipment. Usually, it is best to have one or more participants do this.
Implementation Give clear directions.
Ad libbing instructions often changes and confuses the meaning. Remember, too, not all people learn in the same way. Listen to the participants and accept all their contributions. Keep the original question in focus- don't let the discussion digress. Allow adequate time for the final summary and discussion.