Time
________ show events in chronological order.
timelines
____ is used to designate dates that are approximate.
circa
_________ is the study of events that occurred in the past.
history
Name the question word used when asking about people.
Who
How many days long is a year?
365 days
____ means "Before Christ" and includes all the dates before the year 1 AD.
BC
A person who studies the past is called a _______.
historian
Name the question word used when asking about a time.
When
How many years are in a decade?
10 years
____ means "Before Common Era" and includes all the dates before the year 1 CE.
BCE
The order in which events occurred is called ______.
chronological order
Name the question word used when asking about a place.
Where
A ____ is 100 years.
century
____ means "Anno Domini", or "in the year of our Lord", and includes all the dates after the year 1 AD.
AD
The system for measuring time in the United States, which is also known as the Western or Christian calendar, is called the ________.
Gregorian calendar
Name the question word used when asking about an event or thing.
What
An equal, evenly spaced amount of time on a timeline is called a(n) _____.
interval
____ means "Common Era" and includes all the dates after the year 1 CE.
CE
True or False: There is no year "0" on the Gregorian calendar.
True
Name the question word used when asking for more details or an explanation; often paired with "how"
Why