Grade 5 - Science - Means of Communication Questions and Answers
Communication
Exchange of knowledge or ideas between two or many people. Every communication involves at least 1 sender, a message and a recipient.
Postal Communication
It is connected with public service of carrying letters and packages from one place to another
Telephone communication
It is a type of communication which takes place between two people
example - telephone - local calls, STD, ISD
Mobile phone - STD (Subscriber Trunk Dialing), Voice Call, Camera, Mobile Banking, Internet
Mass communication
It helps to share or send messages or information to a large number of people at the same time
Example (Newspapers, Magazines, Radio, Television, Cinema & Advertisements)
Fill in the table
Invention - Inventor. / Founder - Year
Radio - Gugliemo - 1896
Television - John Logie - 1926
Telephone - Alexander Graham Bell - 1876
Fax Machine - Alexander Baire - 1843
Cinema - Louis Augustus - 1895
Computer- Charles Babbage - 1837
Facebook - Mark Zuckerberg - 2004
Instagram - Kevin Systrom - 2010
Question & Answers
Do animals communicate with each other? Justify your answer?
All living things including animals communicate with each other.
For example - a dog keeps another dog away by growling and snarling
Differentiate between personal and mass communication
Personal Communication
- Means of Communication through which only personal messages are exchanged between 2 people .
- These can be used by an individual for personal activities
- Example - Telephone, Mobile, Postal Cards, Postal Services etc.
Mass Communication
- Means of Communication through which one can communicate with several people at the same time.
- These can be used by government to create awareness programs and policies for the people
- Example - Television, Newspaper, Magazines, Internet, radio etc
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