Observe the water cycle from the comfort of your classroom with this excellent earth science experiment. Working collaboratively, young scientists first create terrariums complete with hills, plants, lakes, and an...

If you've ever wondered why clouds sometimes look so different, look no further than a classroom poster about cloud identification. It features pictures of clouds at high, mid, and low levels of altitude, as well as the name of each...

In the summer of 1815, snow fell every month in New England. Was this related to the volcanic eruption of Tambora in Indonesia earlier in the year? Young scientists design their own experiments to research the long-term effect a volcanic...

Educate scholars on pollution—air, water, and land—with a series of lessons that begin with a thorough explanation of each type. Learners then take part in three activities to reinforce the importance of reducing pollution. They...

Molecules to the Max! refers to a movie released in 2009 about the world of atoms and molecules. A helpful discovery guide provides five posters on science topics typically covered at the middle school level. It also explains the...

Third graders complete water activities including vocabulary, visualization and performing activities. They study water vocabulary words in both English and Spanish. They listen to a read aloud of Jane Yolen's, Letting Swift River Go,...

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.

Learn about the different stages of the Earth's water cycle, and about processes involving water, including runoff, infiltration, and the differences between hard and soft water.

This is a very brief overview of the water cycle, but it does have a nice graphical representation.

Learn about the movement of water from Earth's surface to the atmosphere with this site. Site describes the water cycle in words and with a diagram. Also explored on the page is the distribution of Earth's global water supply.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the water cycle. Includes a few questions to check for understanding.

Informational weather site highlights The Water Cycle. Discover how it works and learn more about evaporation and condensation.

An article about the water cycle and the role that water plays in cloud formation.

What is the water cycle? Learn how the water moves to the atmosphere, how water moves across the land, the importance of the water cycle, and the effects of pollution.

Provides a simple explanation of the water cycle by describing four main stages - evaporation, condensation, precipitation, and collection. Includes three project ideas and some interesting facts.

Describes the four main stages of the water cycle - evaporation, condensation, precipitation, and collection.

The steps in the water cycle and the processes that occur are explained in this resource.

Simple diagram and explanations of the water cycle and related terms.

This simple overview provides definitions of key terms in the water cycle and a diagram showing the path water takes in this cycle.

An explanation of the water cycle.

Through pictures, diagrams, and charts, learn how the ocean serves as a storehouse of water.

Water is the source of life on earth. It exists in many forms and is constantly changing. The circulation and conservation of earth's water is called the hydrologic (or water) cycle. Find out how water evaporates, condensates,...

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

Despite seventy percent of the world's surface being covered with water, there is a potential shortage of this natural resource. Only a small percentage is fresh water and much of that is inaccessible or threatened. Learn about fresh...