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.

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.

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.

Many essential chemical reactions and natural biochemical processes occur in liquid solutions, so understanding the chemical properties of liquid solutions is fundamentally important. This project will challenge you to discover how much...

Explains what density is, how it is calculated, and how the density of water fluctuates depending on various conditions.

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.

A lesson plan that explores the importance of the slope of the soil to a soil's property. Understand how the soils slope affects many aspects of the property from the flow of water to planting.

Describes the basic properties of chlorine and lists examples of how it is used in water treatment, medicine, industry, and inside the human body.

How can you learn to build your own watershed? This site features an activity to illustrate the basic properties of a watershed. Don't miss out.

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.

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...