3. TIME LINE
Time lines are very simple devices which reduces
time sense into space sense for easy
comprehension.
It helps in knowing “how much before” and how
much after an event.
The concept of space also involves the concept of
sequence and distance.
Time is representing by a horizontal or vertical line
and happening are fixed on it according to their
dates of occurrence in a chronological sequence.
4. DIFFERENT KINDS OF TIME LINE
Progressive time line
Regressive time line
Pictorial time line
Comparative time line
5. PROGRESSIVE TIME LINE
1. Progressive time line Each unit marked on the
time line represent a fixed amount of time say
five, ten, fifty, or hundred years.
2. The important events, fall in within the time
represented by the time line, is then fitted into
appropriate places on it.
6. Time lines can be made pictorical to make them
attractive.
The events, personalities to be located on the time line,
may be represented through picture symbols.
For example, events and personalities on a time line of
Indian civilization may be presented by appropriate
pictures.
7. COMPARATIVE TIME LINE
Comparative time lines are also of great use,
particularly in higher class.
In such type of time lines, events happening in
different countries are placed side by side, so that
one may be compared with the other.
A comparative time line may be drown different
purposes.
We may compare how the same historical
happening has occurred in different countries at
different
