Learn how art through the ages has been influenced by the Earth and the heavens. See paintings that attempted to explain the Earth's creation from a scientific standpoint, sacred architecture that provided a place to worship the heavens,...

Invasive species are disrupting many bodies of water in North America. Scientists share their reasons for concern in this brief article. Supporting and educator resources are provided.

Learn how water levels in the body influence the thirst cycle and body fluid regulation. Find out about dehydration and identify common causes of dehydration.

Did you know that your body has a built-in cooler? And it might not be what you think. Sweat is produced when you are hot, but its purpose is actually to cool your body as the water in it evaporates from your skin. In this science fair...

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...

Plankton is a passively swimming plant life in a body of water known as the ocean. The Plankton that live in our ocean have one of the most important roles in the our Carbon Ecosystem. The importance of Plankton in our Ecosystem is...

A brief but thorough description of the physical environment of Bulgaria including its terrain, bodies of water, and climate. Information is from the U.S. State Dept. Background Notes.

This hands-on lesson focuses on the land and its many different types of landforms and bodies of water. Included are a minute-by-minute lesson plan, activities, and teacher discussion points and questions.

In this activity, explore the distinct characteristics of a river by creating a river model inside a pan with sand, pebbles, and real water.

Kids learn facts and geography about the state of Rhode Island including symbols, flag, capital, bodies of water, industry, borders, population, fun facts, GDP, famous people, and major cities.

Latvia, a country on the Baltic Sea, has thousands of rivers. Find out about these and other bodies of water. You can also read about the climate, natural resources, and terrain. From the CIA World Fact Book.

In this activity, students explore the importance of charts to navigation on bodies of water. Using one worksheet, students learn to read the major map features found on a real nautical chart. Using another worksheet, students draw their...

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

Between 70 and 75% of the Earth's surface is covered with water and there exists still more water in the atmosphere and underground in aquifers. In this lesson, students learn about water bodies on the planet Earth and their various uses...

In addition to providing a good definition of "Dehydration," this website explains how dehydration affects the body, how people get dehydrated, and how you can treat and prevent dehydration.

Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...

Lake Mattamuskeet-so named by Algonquian Indians-is North Carolina's largest natural lake. The ancient body of water has not escaped man's intervention. Originally, Mattamuskeet was a shallow, self-contained lake without creeks or rivers...

When we get hot, we sweat. The physiological role of sweat is to cool us down. When the water evaporates, it removes energy from our bodies. This sort of evaporative cooling can also be used to cool homes, using what are referred to as...

Every criminal leaves behind evidence at the crime scene. The trick to catching the criminal is collecting all of the evidence and making sense of it. This is what the forensic expert does. In this science project you will be correlating...

What is a lake? Learn about some famous lakes in the world and how they are formed.

We all can usually tell when we need water, but sometimes we don't listen to our body as closely as we should. This article relates the dangers of dehydration and the importance of preventing it. Links to related articles are also provided.