Make arrangements well in advance. Bring raincoats and sturdy shoes for all outdoor trips. Have group members bring a journal and pencil for recording observations on outdoor trips. List predominant plants and animals encountered, as well as weather conditions, time, place and event. This practice is especially valuable in comparing the plants and animals from different habitats, and the information can be brought back to the classroom for review and discussion.
Journals are also essential for recording water quality analysis data.
Zippered plastic bags or buckets with lids can transport water and samples to the classroom. Use a microscope to see plankton, algae, etc. Measure acidic or basic water properties. Aquatic organisms have different ranges of pH tolerance. Some ranges are broad, some narrow.