SS 4TH U3 PREHISTORY

STUDYING HISTORY.
Historians use "Historical Sources" to study the past. These sources can be:

• Objects. 
• Images.
• Documents
• Oral accounts

Historians study the past by ordering historical events in time; but, what are the main unit of time?

• Second.
• Minutes. 1 minutes = 60 seconds.
• Hour. 60 minutes = 1 hour.
• Day. 24 hours = 1 day.
• Week. 7 days = 1 week.
• Fortnight (quincena). 2 weeks (15 days) = 1 fortnight.
• Month. 30 days (4 weeks) = 1 month
• Year. 12 months (365 days) = 1 year.
• Lustrum (lustro). 5 years = 1 lustrum (5 years-period).
• Decade. 10 years = 1 decade.
• Century (siglo).  100 years = 1 century.
• Millennia (milenio). 1.000 years = 1 millennia.

If events happened before the birth o Jesus Christ, we write...

B.C. = before Christ (antes de Cristo).

If events happened after the birth of Jesus Christ, we write...

A.D. Anno Domini (Déspues de Cristo).

Historians have divided the history into periods.

PREHISTORY is the period that begins with the appearance of the first human beings about 2 or 3 million years B.C. and finishes with the invention of the writing.
Prehistory has got 3 main periods:

• Palaeolithic
• Neolithic
• The Metal Ages.

PALAEOLITHIC

NEOLITHIC

THE METAL AGES

GAMES. Review the vocabulary.
           Life in Palaeolithic
       
           Life in Neolithic