Travel and Communication Chapter Notes | Science Olympiad for Class 2 PDF Download

All the vehicles used for travelling from one place to the other are called means of transport.

There are 3 types of transport: Land, Water and air.

1. Air Transport

• Air transport moves in air.
• It is fastest and most expensive means of transport.
• For example: aero plane, helicopter.

2. Water Transport

• Water transport moves in water.
• These carry people and goods across rivers and seas.
• For example: boats, ships, sailboats.

3. Land Transport

Land transport moves on land. Bicycle, cycle-rickshaws (run by man power), bullock carts, tongas (run by animals); Car, bus, truck, train etc. (run by petrol or diesel or gas engines)

Communication

My grandmother lives in Delhi. I talk to her over the telephone. My aunt lives in London, we use to talk to her through computer using internet. We can see her also on the computer. People use different methods to communicate with their friends, family and relatives. Communication means to speak, write and share ideas and information with each other. There are different methods by which we can talk to each other. Let us study types of communication in detail.

Types of Communication

1. Postal Communication: Post card. Inland letters stamped envelopes are means of postal communication.

2. Mass communication: Newspaper, Magazines, radio, television and internet are the example of mass communication.

3. Modern means of communication: These are the fastest means of Communication. Telephone, mobile phone, e-mail, fax are the example of modern means of communication.