1. Primary 4
Communication
in the
Ancient
and
Modern times

2. Do you know the ways
of communication in
ancient times?

3. Beacon-fire
It is used to
call for help.

4. Beating a drum
It is used to
warn others.

5. Pigeon
It is used to
carry letters.

6. Messengers
They are
used to
send
messages
to others.

7. What about some
of the ways
of communication
in modern times?

8. Post It is a way to send letters with the help of postmen.
They deliver the
letters to people’s
homes or
workplaces.

9. Telephone
It is a way
for people to
communicate
with others
directly.

10. Television It is used to transmit and receive messages, sounds and
images
in forms of
news,sports,
entertainment
and commercials.

11. Pager It is a portable machine, which can be signaled to send a one
way message
to the
pager owner.

12. Radio It is used to transmit and receive sounds and messages
live invisibly
through the air.

13. Fax machine It is used to transmit texts or images on papers through a
telephone line
instantly.

14. Internet It is a network that connects computers from all
over the world
so that people
can communicate
with each other.

15. Cellular phone It is a mobile and portable device used by people to
communicate with
each other all
over the world
anytime and anywhere.

16. Devices for storing information
computer
scanner
Palm machine
camera
Video recorder
Lab top

17. It’s revision time! See how much you could remember!

18. The weather forecast Which way of communication would you
use to get the following information?
The weather forecast OR

19. Try another one!

20. Oops..!
Try again!

21. Which way of communication would you
use to get the following information?
Tell a friend abroad about your recent life OR

22. Try another one!

23. Oops..!
Try again!

24. Get help from the police after seeing
Which way of communication would you
use to get the following information?
Get help from the police after seeing
an accident OR

26. Oops..!
Try again!

27. Bye!