Khan Academy
Khan Academy: Biology: Water, Acids, and Bases: Hydrogen Bonds in Water
Investigate why water properties make it unique and good at supporting life in this article. Learn about the life-sustaining properties of water that are caused by the hydrogen bonds that it forms.
BBC
Bbc Schools: Ks2 Bitesize: Science: Materials: Changing States
Investigate the changing states of water as you help Steve stay alive while in the Arctic. Includes background information about changing states of matter and about the water cycle, as well as a quiz.
US Geological Survey
Us Geological Survey: Water Properties: P H
This resource explains what pH is and how it relates to water. The resource includes a colored graphic of the pH levels and a map of pH levels around the USA.
US Geological Survey
Usgs: Common Water Measurements
This site from the U.S. Geological Survey provides great definitions of seven measurements that can be taken on water. Includes pH, dissolved oxygen, and turbidity. Click Home to access the site in Spanish.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Soil Moisture
This set of activities introduces students to the basic properties and measurements of soil water, and how the global distribution of soil moisture is monitored.
Cornell Lab of Ornithology
Habitat Network: Adding a Rain Barrel to Your Property
Learn about rain barrel basics, and find inspiration in other people's incorporation of this tool into a site.
Other
Lunar and Planetary Institute: Explore! Ice Worlds
Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.
Alabama Learning Exchange
Alex: What's the Matter: A Sinker or Floater?
Students will explore matter that sinks or floats when submerged in water and that matter is categorized as either a sinker or a floater. Students will work actively in small, cooperative learning groups as well as gather in a whole...