Learn about water as a precious resource in danger of being depleted. Understand the roles that overuse and agricultural use play in the sustainability efforts of this essential resource. Includes video. [28:25]

The career of hydrologist could become more and more important as the use of water increases. Find out about the education needed to become a hydrologist and read the Science Buddies profile about the many areas hydrologists use their...

PBS and the Online NewsHour have created this multimedia website about water recycling. You can see how this process is different than other waste water treatments by reading interviews, watching a slideshow or investigating a map of...

Harmful algal blooms occur when algae, which form the base of the ocean food web, grow in massive numbers and produce toxic or harmful effects on people, fish, shellfish, marine mammals, and birds. In this project you will learn how to...

Here is a cool project about making fresh water from salt water using solar power, also known as water desalination. The apparatus is made from readily available materials, and the power source is free. As an inventive thinker, you will...

It's hard to believe that the same water that you use every day to quench your thirst, cook with, bathe in, swim in, and wash your clothes and dishes, is capable of another trick-it can make electricity. Electricity can be generated...

In this project, water fleas (Daphnia magna), a semi-transparent freshwater crustacean, are used to study the effects of caffeine on heart rate. You do not have to learn how to take a crustacean's pulse though, because you can actually...

Here's a career profile for a career you perhaps have not considered. Captains of ships and boats used for moving cargo or passengers are considered part of the merchant marines. Read about the type of work involved with this career as...

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

A collection of articles on science and health topics related to Texas. Includes research using scientific balloons, county health statistics, mineral-water spas, the work of the Southwest Science Institute, science research at...

Wells are extremely important to all societies. Find out how wells are dug today and peruse the list of the different types of wells and the methods used to dig them. Click Home to access the site in Spanish.

In this activity, students learn about the JOIDES Resolution, an ocean-drilling vessel. They then use string to estimate the length of the ship and compare their estimates to the real length. They look at how deep the ocean water under...

Gives examples of chemical interactions occurring in the human body, in the world around us, in foods, and in products we use.

Describes the multitude of plastic trash scientists have found on a beach in Hawaii and in the oceans. Explains what a gyre is, and how plastic trash gets trapped in the eye of a gyre. Looks at the serious impact plastic materials have...

Whether you're looking for music and dance activities, science experiments, family-friendly adventures, or learning about animals (plus more!), you will find media and activity resources in the Camp PBS LearningMedia collection. We've...

This U.S. Geological Survey website explains the desalinization method used by some communities to change sea water into drinking water. Click Home to access the site in Spanish.

Explains what a bromine test is, the chemistry behind it, what it is used for, and gives examples of bromine test strip brands that are used for test the water in swimming pools and at spas.

Find out how landscapers are using a gardening technique that uses little water.

In this What's Up in the Environment? video segment, learn how various indicator species are used to monitor the environmental condition of the Everglades.

See why many species use perches near their water source to take in the sun's warmth.

Students collect evidence to investigate erosion and deposition around the schoolyard.

Use this site to explore information about the author of the "Silverwing Saga" and about his other books. There is a section on him, his books, news, and a gallery.