Michigan Sea Grant
Water Quantity
It may be tricky for a young mind to conceptualize that less than 1% of all water on earth is useable for humans to drink. Simulating the amount of fresh water available on earth by removing measured amounts of water from a five-gallon...
NOAA
Please Pass the Salt
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to observe how...
Curated OER
Summer Intern
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
University of Waikato
Estuary Metaphors
Mixing metaphors into science. To begin, the instructor leads a discussion about estuaries to determine what the class already knows. Working in small groups, pupils determine how a selected object is similar to an estuary, how it...
Utah LessonPlans
Water, Please!
Students use a globe and cups of water to illustrated the amount of water versus land on earth and the amount of fresh versus salt water available to plants and animals.