http://www.quia.com/cb/1944.html
Explorer Jeopardy

http://www.mariner.org/educationalad/ageofex/
Age of Exploration activities, including crossword puzzle

Exploration of the New World, research paper information
https://sites.google.com/a/lakeregionschools.org/explorers/

eTHEMES
http://ethemes.missouri.edu/themes/1406?locale=en

K12 Station - Exploration and Settlement
http://www.k12station.com/k12link_library.html?subject=NSS&sub_cat=105479&final=105484

42explore: Explorers (very dated with numerous dead links . . . but interesting concept)
http://www.42explore2.com/explorers.htm

Explorers and Exploration - Primary Source Sets
http://www.loc.gov/teachers/classroommaterials/themes/exploration/set.html

European Explorers - Age of Exploration
http://www.chenowith.k12.or.us/tech/subject/social/explore.html