CBSE Class 4 Social Studies Means Of Communication Worksheet

Q1.) In the box given below encircle the following:
- The earliest means of communication in red colour.
- The means of communication that can only be listened to in green colour.
Answer: 1. The pigeon (bird) is the earliest means of communication (encircled in red).
2. The radio is the means of communication that can only be listened to (encircled in green).
In simple words: Pigeons were used long ago to carry messages, and the radio lets us listen to audio broadcasts.
Exam Tip: Remember that audio-only devices include radios, while visual or print devices include newspapers and laptops.

Q2.) FILL IN THE BLANKS:-

1. The _____________ machine works through telephone lines.
Answer: fax
In simple words: A fax machine sends printed documents electronically over telephone lines.
Exam Tip: Key term to remember for sending documents electronically via telephone is fax.

Q2.2. A PC may be a _____________, __________________ or a palmtop.
Answer: desktop, laptop
In simple words: Personal computers come in different sizes, including desktops, laptops, and palmtops.
Exam Tip: Learn the three main types of personal computers: desktop, laptop, and palmtop.

Q2.3. Means of mass communication are ________________, ________________ and _____________________.
Answer: newspapers, television, radio (or books, magazines, cinema)
In simple words: Mass communication helps reach a large number of people at the same time through print or electronic media.
Exam Tip: Mass communication means sharing information with a massive audience simultaneously.

Q2.4. We can buy _____________________ and ______________________ from a post office.
Answer: stamps, envelopes (or postcards, inland letters)
In simple words: Post offices sell essential items needed for mailing letters and parcels.
Exam Tip: Always associate post offices with stamps, postcards, and envelopes.

Q3.) COMPLETE THE FOLLOWING STATEMENTS:-
1.) An I- Phone functions as a
Answer: computer as well as a telephone, allowing us to make calls, browse the internet, and send emails.
In simple words: Smartphones combine telephone calling features with computer capabilities.
Exam Tip: Smartphones are advanced devices that perform multiple functions beyond simple voice calls.

Q3.2.) People find films interesting as
Answer: they combine visual images, sound effects, music, and storytelling, making them a great source of entertainment and education.
In simple words: Films use pictures, music, and stories to entertain and engage viewers.
Exam Tip: Films serve as both a popular medium of mass entertainment and a tool for mass communication.