NASA
Nasa: The Space Place: Looking for Water Everywhere!
NASA has discovered water in space. This interactive resource allows you to examine the different planets and moons in our solar system to find out where their water is located.
Utah Education Network
Uen: Classify Yes, but Is It Alive?
Do you know the traits something that is alive? Test your knowledge of the traits of life by identifying objects as alive, not living, or once alive.
PBS
Nova: Life's Little Essential
This extensive overview of water describes the unusual properties that make it essential for life.