US Geological Survey
U.s. Geological Survey: Groundwater Information by Topic
A massive amount of information about groundwater. Topics covered include groundwater basics, humans and groundwater, groundwater quality, and its place in the water cycle. Includes true-and-false quiz and a Q&A section, as well as a...
Science Education Resource Center at Carleton College
Serc: Mn Step: Water Runoff: How the Ground Water in Your Community Is Affected
After creating a model, students will investigate factors that affect water runoff both positively and negatively, and the impact this has on the quality of groundwater.