Studying The Past

UNIT 5 Studying the past

1. Introduction2. How do we measure time? 3. Be a historian What do archaeologists do? 6. Periods of history

INDEX

INTRODUCTION

Look at the photo

What can you see in the photo?Is it a new or old photo? Why? Do you know what place it is?

Now and then.

How do we measure time?

• The concept of time was invented by humans. It is divided into past, present and future. • Clocks and calendars were invented by humans in order to measure time. • Clocks measure seconds, minutes and hours. Calendars measure days, weeks, months and years.

Look at your book

Page 70 exercises 1 and 2 in your book

be a historian!

A MILLENIUM IS ONE THOUSAND YEARS

A CENTURY IS ONE HUNDRED YEARS

BE A HISTORIAN!For longer periods of time, we use special units

A millenium

A century

A DECADE IS TEN YEARS

A Decade

LET´S PRACTICE!Copy this questions in your notebook and send the answers to your teacher by ClassDojo

We are in 2020 so, How many milleniums and decades are there in 2020?

How many centuries are there in one millenium?

How many decades are there in one century?

What do archaeologists do?

How do archaeologists work?

Copy the map in your notebook

Page 73 exercise 2

PERIODS OF HISTORY

Info

Began when people started to write. We know more about this period because we have written sources.

Why are we in 2020?That´s because Jesuschrist was born 2020 ago.

It is the oldest and the longest period in the past. It started with the first human beings. There are no written sources in this period.

HISTORY

JESUS CHRIST

PREHISTORY

TIMELINE

For years and centuries after the birth of Christ we add A.D.

A.D.After Christ

ry

To Years and centuries before the birth of Christ, we add the abbreviation B.C

B.C.Before Christ

Page 79 exercise 4

thanks