Waters of the Earth

Make a splash with young scientists as you teach them all about water using this activity packet. Thirstin, a cartoon glass of water, walks children through the water treatment process, teaches them about different sources of water, and...

This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...

From their sweat to the water vapor in their breath, astronauts recycle every possible drop of water while in space. After watching a short video describing the different ways materials are recycled and reused in space shuttles, young...

Send youngsters home to survey how they use water in their homes. Then bring them together to discuss which uses are essential for our health and which are not. A helpful video offers teaching tips for this lesson, and a presentation...

Through a PowerPoint presentation and the embedded animation and video, earth science enthusiasts find out about the moisture in the soil beneath our feet. In the animation, follow a water molecule on its path through the water cycle. As...

Fifth graders study the impact of human activity on water quality and on the ecosystems of Earth. After a discussion on the various ways that water can be polluted, groups of youngsters get together to figure out the best way to clean a...

Beginning with a brief anticipatory set on how water is commonly used, this presentation evolves into a well planned lesson on the water cycle. Students will discuss vocabulary, label the parts of the water cycle, locate where water is...

Was Earth born as a Blue Planet? Discover where water came from with a video from an intriguing science playlist. The resource covers the three most likely origins of water, how scientists differentiate between comet and asteroid water,...

Water is common? Not really! Learn how the polarity of the water molecule gives it tremendous properties that make is quite unique in the universe. Learners will understand surface tension, adhesion, and cohesion, as well as why these...