Curated OER
Plant Transpiration
Students conduct various experiments to investigate plant transpiration. In this biology lesson, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a potometer.
Curated OER
Water Paintings
Students use water to paint pictures outdoors. For this water painting activity, students paint pavement and observe how water evaporates. They compare painting in sunny versus shady locations. They also use sponges to observe the...