1-1 What is History?

A group of 100 years is known as a(n)

• era
• century
• millennium
• decade

The Gregorian Calendar 

• lost one day every 128 years
• is also known as the Hebrew Calendar.
• is still in use today
• was developed by Julius Caesar

The study of human culture and how it develops over time is called

• archaeology
• anthropology
• prehistory
• paleontology

The most important fact that helped scientists connect the discovery of Lucy in Africa to modern humans was that she

• had long arms and short legs
• was only 3.5 feet tall
• was 3.2 million years old
• walked upright

The first historical era, more than 5,500 years ago, is called _______ and refers to a time before people developed writing.

• prehistory
• history
• archaeology
• paleontology

In the Gregorian calendar, events are dated either before or after the birth of 

• Jesus
• Mohamed
• Moses
• Darth Vader

Historians can learn about ancient civilizations by studying items such as weapons, tools, and pottery, which are called

• fossils
• artifacts
• species
• treasure

The remains of plant and animal life from an earlier time are called

• species
• fossil
• era
• artifact

Some early calendars developed by the Chinese, Egyptians, and Hebrews, were based on cycles of the

• sun
• moon
• stars
• dish washers

A group of ten years is known as a 

• era
• decade
• century
• millennium