Graded Answers
historians
people who study events in the past
timeline
line marked off with a series of events and dates
chronology
list of events in the order in which they occurred
period
length of time singled out because of a specific event or development (also called era or epoch)
prehistory
time before humans invented writing
B.C.
Before Christ
B.C.E.
Before Common Era
A.D.
anno Domini meaning "in the year of the Lord"
C.E.
Common Era
primary source
information that comes directly from a person who experienced the event
artifact
object made by a human being
secondary source
information about an event that does not come from a person who experienced that event
bias
an unfair preference for or dislike of something
archaeology
scientific study of ancient cultures through the examination of artifacts and other evidence