Nashua River www.nashuariverwatershed.org/index.html PBS Kids Democracy Project: Inside the Voting Booth www.pbs.org/democracy/kids/vote PBS Kids Democracy Project: How Does Government Affect Me? www.pbs.org/democracy/kids/mygovt/ PBS Kids Democracy Project: President For A Day www.PBS.org/democracy/kids/presforaday/index.html Ben's Guide to U.S. Government: Grade 3-5 http://bensguide.gpo.gov/3-5/index.html