Kon-Tiki, the record of Thor Heyerdahl's 1947 raft journey across the Pacific Ocean, is the focus of three classroom activities. In a lesson on connotation and bias language, class members record instances of Heyerdahl's word choice....

When studying artifacts, especially tools, how do archaeologists determine what the devices were used for? In what ways might researchers' previous experiences influence their perception of an artifact? An article about researchers'...