PBS
Signal Senders
Send a signal to let others know one's location. Scholars investigate how scientists track the movement of marine wildlife. They model the process by creating a custom sound that can be used to identify each group member as they walk by.
Constitutional Rights Foundation
Women in the Military
Scholars analyze the role of women in the military in United States history. Using group research, debate, and diary entries, they explore various military activity in America. To complete the lesson, young historians write an essay...