Students construct a still to turn seawater into drinking water. They estimate the cost of distilling it. They investigate ways to make the conversion more efficient. They track the source of their home drinking water and make a map of...

Fifth graders draw a plan that they think will clean the sludge in a jar. Students construct the treatment system they designed, take a bottle of sludge to the system and try it out, writing down what happened.

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will define a mixture and understand why mixtures are different than pure substances. They will classify mixtures as homogeneous or...

Explore these resources to learn more about the natural and engineered processes that can help contribute to improved water quality.