Use pearlescent soap and colouring to visualize the swirls and movement of water.
Science content (2016 curriculum):
Earth/Space: Weather, Seasons, Climate Change (K, 1, 4, 7)
Earth/Space: Water cycle, Water conservation (2)
Earth/Space: Sustainable practices, Interconnectedness (2, 5, 7)
Science topic (2005 curriculum connection):
Earth and Space Science: Air, Water and Soil (grade 2)