ASSIGNMENT SUB :S.St CLASS : III C WEEK – 7 …………………………………………………………………………………………………………

Ch. 3 Changes in Transport.

Explanation (of page 21 , 22 , and 23)

People in olden days, moved from one place to another in search of food. Hey walked on foot, later on animals and the they invented wheel. (wheel is the second invention of Pre historic time. First invention was fire).

Invention of wheels changed their life. It helped humans to travel faster. Slowly they learnt to make carts , Chariots. These vehicles with wheel were pulled by bullocks, horses and other animals.

But today all the vehicles on the roads have wheels for quick transportation.

We use different means of transport to travel or carry load.

Like in village – they use bullocks, donkeys , mules etc.

On hills people use – yaks. In deserts people use – camels. In snow covered areas – sledges are pulled by dogs or reindeers.

Today we are using many modern means of transport like metro trains, buses , cable cars, electric trains, trams, aeroplanes, streamers and ships.

All modern means of transports carry people and goods also.

In all these transportation aeroplanes are the fastest means of transport.

We have other means of transport also like – cycle, two – wheelers etc.

The fastest train in china. We have other means of transport also like It is Shanghai Maglu. Speed Cycle , two – wheelers etc. 431 Km/hr

Now Intention

Write in copy Cycle Invented by - Baron Karl Von First Automobile invented by – Karl Benz Aeroplane invented by – Wright Brothers 1st Steam engine designed by – James watt of England.

Learn and write these hard words in your copy – 5 times each.

1. Transportation 2. Movements 3. Vacations 4. Exciting 5. Balcony 6. Invention 7. Chariots 8. Mules 9. Deserts 10. Sledges 11. Reindeers 12. Electric 13. Steamers 14. Various 15. Fastest 16. Shanghai Maglu 17. Variety 18. Original 19. German 20. Automobile 21. Karl Benz 22. Advanced 23. Airlines 24. Wright Brothers 25. Successful 26. Technologically 27. Designed 28. James Watt 29. England 30. Diesel

How many modes of transports are there?

There are three main modes of transport 1. Land transport 2. Air transport 3. Water transport

1. Land transport – It means vehicles which run on roads, like – Buses , cars , trains , trams , (on track , but on land) cycles , two wheelers , trucks , vans , auto rickshaws , Rickshaws etc. 2. Air transport – Aeroplanes, Helicopters, are air transport. They are the fastest means of transport. Aeroplanes are the fastest means of transport. 3. Water transport – Ships , steamers , boats are all water transport.

All these are used to carry humans , animals and goods from one place to another.

Test

A. Fill in the blanks :- 1. ______invented the cycle. 2. ______invented the automobile. 3. ______invented the steam engine. 4. ______invented the aeroplane. 5. ______fastest train china. 6. ______is the second invention of Pre historic time. 7. On hills people use ______to travel or carry loads. 8. In deserts people use ______to travel. 9. In snow covered areas people use ______to travel. 10. ______is the fastest means of transport.

Means of transport and Air pollution.

Smoke from vehicles add harmful substances to the air we breathe. All this makes the air polluted. Because of this pollution we can suffer from many diseases like – Asthma, bronchitis and especially lungs cancer.

We must adopt some healthier ways to travelling such as cycling walking.

 Benefits of cycling and walking. (Learn these points and write neatly in your copy)

1. Walking i) It helps to lose weight. ii) Strengthens our heart. iii) Lower risk of diseases. iv) Gives us energy. v) Helps us to stay fits.

2. Cycling i) Help us to breathe deeper. ii) Increases our body temperature. iii) It strengthens our heart , blood vessels and lungs. iv) specially this will keep us physically fit and healthy.

Word meanings (Glossary)

Invent - the action of making something new for the first time.

Transportation - The movement of something from one place to another.

Means – ways

Yak – a large ox like animal used to carry loads in the hilly regions.

Sledge – a vehicle without wheels used over snow and pulled by animals.

Designed – a new look and function.

Pollute – dirty

Environment – surroundings in which a person , animal or plant lives.

A. Fill in the blanks :- 1. Baron Karl Von invented the cycle. 2. Karl Benz invented the automobile. 3. James Watt invented the steam engine. 4. Wright Brothers invented the aeroplane.

B. State whether the following statements are true or false. 1. People in olden days used to walk on foot for moving from one place to another. (True) 2. The invention of the wheel helped man to move faster. (True) 3. Cycle is a healthy means to travel short distances. (True) 4. Metro rail was used by early man. (False) 5. Modern vehicles do not cause any pollution. (False)

C. Write the correct by rearranging the following letters. 1. RCA – CAR 2. PHSI – SHIP 3. EALNRAOEP – AEROPLANE 4. ARTNI – TRAIN 5. RCKTU – TRUCK d. What is ‘I’ (do yourself) 1. I run on rail ______2. I am found in villages ______3. I run on road ______4. I fly in the air ______5. I sail on water ______e. Answer the following :- Q1. How did people in olden times travel or carry load? Ans. People in olden days moved from place to place on foot or used animals for travelling or carrying loads.

Q2. What brought a great change in transportation? Ans. The invention of wheel brought a great change in transportation.

Q3. How do people travel in different regions of the world? Ans. The people travel in different regions of the world are :- - In hills people use – Yaks - In village people use – donkeys , bullocks or mules. - In deserts people use – camels - In snow covered regions people use – sledges.

Q4. What are the modern means of transport? Ans. Modern means of transport – Metro trains , electric trains, cable cars, buses , trams , aeroplanes, steamers and ships.

Q5. What is air pollution ? Ans. Smoke from vehicles , factories add harmful substances to the air we breathe. This makes air polluted.