See how acid rain impacts the environment.

A story of droplet as she passes through the water cycle. Includes an interactive game.

Interesting facts, how to make our water cleaner, groundwater quiz, about the Clean Water Act, lakes, water cycle, word search, and conservation tips.

From NASA, a history of water on earth and a look at some of the space missions involving water.

Showing how the cycle relates to earth and earth processes.

Animated diagrams at different difficulty levels.

Diagram and vocabulary.

The role of soils, surface runoff, watersheds, and groundwater in the cycle.

Looks at the importance of water and tells how people can conserve and protect it.

Fun facts about the water cycle and weather. Includes photos, activities, and printable worksheets.

Water cycle diagram available in 30+ languages. From U.S. Geological Survey. Also includes a trip through the water cycle.

Includes cloud formation and vocabulary related to the things that happen to water during the cycle.

Animated diagram. Roll your mouse over the landscape and stop when the cursor turns into a hand to find out about water in Western Australia.

Shows how to create a biosphere in a bottle to discover how precipitation occurs and what acid rain does to the environment.

Put together by three schools in Seattle, WA. Includes a look at the water cycle, weather phenomena involving water, and games.

Some statistics and a look at cloud formation.