Where does that wrapper go after you throw it away? Most take the disposal of garbage for granted! An interesting lesson describes the structural requirements of a landfill and the special considerations that help keep groundwater safe....

What does it mean to have hard or soft water? Learners discover the chemistry behind water hardness in the fifth video of a seven-part series describing our water resources. Using simple animations and balanced chemical equations, young...

Go with the flow! The first video of a seven-part series about the Earth's water resources introduces learners to the water cycle. With an emphasis on cause and effect, it presents the information simply through animation. And, with the...

With so much water everywhere, how is it that people around the world don't have clean water for drinking and bathing? Part three in a seven-part series describing Earth's water resources introduces the class to the process of water...

Watch students investigate groundwater as they build aquifers that model Cape Cod's underground structure. [4:57]

In this video from Common Ground and Cleaner Water, Tribby Vice, a Kentucky farmer, talks about the changes he has made on his farm to protect the water quality of the stream running through his property and the watershed in which he...

Video provides an explanation for how sinkholes form. [1:13]

Follow rain running off parking lots and roads in central North Carolina on a journey to the estuary hundreds of miles away. Good footage showing runoff from areas of development and beautiful estuary montage at the end. [7:30]

Where does your water come from? Join Ken, a hydrogeologist, and learn all about groundwater. [4:47]