the use of science or mechanical knowledge to design new tools, weapons or machines

a person who searches out and investigates unknown places

a reason that causes people to do something

an instrument used by sailors for navigation that measured the distance north or south of the equator

an area of land where people settle and build their community

a time in the late 1400s when countries looked for new trade routes to Asia

an object left behind such as a tool or pottery used by ancient people groups

to use maps or other tools to find the best travel route

a journey made for the purpose of exploration