NASA
The Case of the Wacky Water Cycle
Join the tree house detectives in learning about the processes of the water cycle, water conservation, water treatment, and water as a limited resource.
Curated OER
The Sun as the Driving Force of the Water Cycle
Learners study the water cycle and how the sun is an important factor. For this water cycle lesson students investigate how to desalinate water and explore the different densities of fresh versus saltwater.
Curated OER
Environment: Water & Air
The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...
San Francisco Public Utilities Commission
What is Drought? No Rain, No Water
How can climate change affect our water supply? Have kids read a passage about the water cycle and water conservation, which includes six questions that challenge them to use context clues.
San Francisco Public Utilities Commission
Desalination: Turning Salt Water into Fresh Water
How does San Francisco supply its citizens with enough water, even during a drought? Learn about reservoirs and why desalination could be a good solution with a reading passage about water conservation. After kids finish the...
Curated OER
Water: Access and Use
Students get a personal sense for another culture's way of doing things. Develop a list of sources for water. Practice using the scientific method. Examine means for conserving, or for generating, reliable sources of water.
Curated OER
Fresh or Salty?
Learners explore water bodies on the planet Earth and their various uses and qualities. They examine several ways that engineers are working to maintain and conserve water sources and think about their role in water conservation....
Curated OER
Water Purification
Learners develop an understanding and appreciation of water purification techniques and their implications for health maintenance.
Curated OER
Rain Machine (Solar Still)
Students experiment with a solar still. In this distillation lesson, students find a simple way to use evaporation to make salty water drinkable.