The United States Geological Survey offers a complete look at water science in glossary form. Take advantage of the topic guides at the top of the site. You'll find great maps, clipart and activities centers. Click Home to access the...

A collection of resources--pictures, maps, data, glossary--about water and the water cycle.

This website offers three activity centers: Questionnaires, Opinion Surveys, and Challenge Questions. Take a look at these interesting water research activities from the US Geological Survey. Click Home to access the site in Spanish.

Understand what watersheds are and the purpose of drainage basins. This is a resource designed to enrich classroom learning about the science of water.

Use this site as a resource to learn about the many aspects of water.

A collection of downloadable, ready-to-use lessons and student worksheets aimed to raise awareness of the need for safe drinking water. Lessons are investigative in nature and utilize inexpensive materials that can be purchased at most...

Discover water science lesson plans, games, and other resources as well as links to EPA's online training academies.

This U.S. Geological Survey website features a fictious town, Dryville, and uses it to illustrate every aspect of water management that you might encounter. Click Home to access the site in Spanish.

This U.S. Geological Survey website offers a short article then lists topics that are linked to brief articles that describe that particular topic's effect on water quality in urban areas. Click Home to access the site in Spanish.

An introduction, aimed at upper elementary- and middle-school learners, to acid rain. [Click back to home to access the site in Spanish.]

Water is a valuable resource many often take for granted. This exercise however gives you the opportunity to learn about and discover how greywater (water that has been used for washing or bathing) can be used for watering ornamental...

A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.

What is a sinkhole? Where are they found? What causes them? This text based article will provide the answer to these questions, and more!

Learn about the importance of water quality and environmental influences that reduce it.

In this hands-on lesson, middle schoolers will examine the labels on common household products to determine what hazardess chemicals they contain, then test less toxic alternatives to see their affects on water quality. Students will...

This thorough site delves into how we use water on an everyday basis. Ground water, surface water, domestic use, commercial use, irrigation use, are just a few of the topics described on this site. Click Home to access the site in Spanish.

A quick summary of the water cycle that includes a diagram of the cycle, with links to in-depth explanations of each component of the cycle. Click "water-cycle home" to access water-cycle resources in a variety of languages.

Iron is an important mineral essential for good health. Iron deficiency can be a problem. In this science fair project, use a simple iron test kit to measure the concentration of iron in water. This experiement is explained clearly and...

Baby Beluga may swim in the deep blue sea, but the song doesn't mention how cold it is out there. Find out in this short project how a bit of blubber can be a useful adaptation when the water is ice cold.

This U.S. Geological Survey website explains a variety of uses for saline water. Pie graphs and bar graphs are used to illustrate the various uses. Click Home to access the site in Spanish.

Of course it can, you say: ice is water and ice floats. And you're right. But we're talking about water in the liquid phase Can liquid water float on water? The goal of this project is to investigate what happens to layers of water with...

In a bioassay, a living organism serves as a detector for toxins-the same way canaries were used in coal mines to detect invisible toxic gases. In this project, water fleas (Daphnia magna), a freshwater crustacean, are used in a bioassay...

Can water remain liquid below its normal freezing point? If it does, that water is supercool(-ed). This project shows you a method for supercooling water. You can test water from different sources to see whether or not it can be...

Soil and water conservation are important in the protection of the earth's natural resources. Read about the careers that study and encourage conservation. Find out about the educational requirements necessary to become a soil or water...