Chapter 9: Communications | Class 4 | Evs Textbook | Solutions

APSCERT | ANDHRA PRADESH

Here are the answers to the “Improve Your Learning” section from the lesson Communication (Class 4 EVS):

I. Conceptual Understanding

1. What is the means of communication? How many types of communication are there?

• Communication is the process of sharing ideas, thoughts, and feelings with others.

• There are two types of communication:

1. One-to-One Communication – Communication between individuals (e.g., letters, phone calls).

2. Mass Communication – Communication to a large audience (e.g., newspapers, television, radio).

2. Mention the ways for speedy communication.

• Mobile phones

• E-mails

• SMS (Short Message Service)

• Social media (WhatsApp, Facebook, etc.)

• Television and radio broadcasts

3. What are the precautions you should take in the use of mass media?

• Avoid excessive screen time to protect eyesight.

• Be careful while sharing personal information online.

• Avoid listening to loud music with earphones for long periods.

• Verify news before believing or sharing it.

• Do not spend too much time on social media, as it can affect studies.

II. Questioning and Hypothesis

4. What questions would you ask the postmaster about the postal services?

• What are the different types of letters and parcels sent through the post office?

• How is a letter sorted and delivered to different locations?

• What is the importance of the PIN code?

• How long does it take for a letter to reach another city?

• What are the charges for sending different types of letters or parcels?

III. Experiments and Field Observations

5. Visit a nearby post office and observe its services, then write a brief note.

(Students should visit a post office and write their own observations. Here’s an example response:)

• I visited a post office in my town. There, I saw people sending letters, parcels, and money orders.

• The post office staff sorts letters based on the PIN code and arranges for delivery.

• A postman delivers letters to homes and offices.

• Many people were using speed post and registered post services for urgent deliveries.

IV. Information Skills and Projects

6. Collect information about the uses of cell phones and display it in your classroom.

(Students can create a chart with the following points:)

• Communication through calls, SMS, and video calls.

• Access to the internet and social media.

• Online banking, ticket booking, and shopping.

• GPS navigation for travel.

• Entertainment through games, music, and videos.

V. Drawing and Model Making

7. Make a cellphone model using clay or cardboard.

(Students should create a simple model of a mobile phone using clay, paper, or cardboard and label the buttons and screen.)

VI. Appreciation

8. Write a letter to your friend requesting him to attend a function in your house.

Example Letter:

Your Name

Your Address

Date

Dear [Friend’s Name],

I hope you are doing well. I am writing this letter to invite you to a special function at my house. We are celebrating my sister’s birthday on [Date], and I would love for you to join us. The event will start at [Time], and there will be fun games, delicious food, and lots of enjoyment.

Please let me know if you can come. I am looking forward to seeing you soon!

Your Friend,

[Your Name]