Help students learn the terminology of lakes and rivers with this copywork. Students copy 27 keywords and their definitions. Each copywork page also includes a border with geometric patterns that students can color and use to design patterns if they wish. Keywords covered are alluvial, bank, bed, channel, current, delta, drainage basin, estuary, eutrophication, exotic river, flood plain, ground water, headwaters, intermittent river, lake, limnology, mouth, rapids, reservoir, river, river system, salinity, sediment, silt, surface runoff, tributary, and waterfall. Thirty-three pages total. Available in print and cursive handwriting versions. Ages 8-13.