NCERT Solutions for Class 4 EVS Chapter 7

NCERT Solutions for Class 4 EVS Chapter 7 From the Window for new academic session 2021-2022 based on latest CBSE Syllabus and updated for all boards who are using NCERT Books as course book.

All the answers are simplified in such a manner that a student of standard 4 can understand easily. Extra questions and important question answers are also given just after the NCERT Solutions of Class 4 EVS Chapter 7.

NCERT Solutions for Class 4 EVS Chapter 7

Class 4 EVS Chapter 7 Question Answers Set 1

What was the difference in the scene that Omana saw from the train on the first day and on the second day?

On the first day of journey Omana saw the fields were dry and brown, but on the second day of her journey he en fields with red soil, and hills covered with trees.

Omana saw many kinds of vehicles at the level-crossing. Which of them run on diesel or petrol?

Among the vehicles Omana saw at the level-crossing, buses, cars, autorickshaws, trucks, motorcycles and scooters run on diesel or petrol.

Why was there so much smoke and noise from the vehicles at the level crossing?

Because some people did not switch off the engine of their vehicles even while waiting at the railway crossing.

What can we do to reduce noise of the vehicle and save petrol and diesel? Discuss?

We should switch off the engines of our vehicles while waiting at the red light or level-crossing.

Have you seen any bridges? Where?

Yes, when we go to mussoorie from Delhi via train. This is jan shatabdee train from Delhi to Dehradun. When one crosses bridge over the Yamuna, it appears as if there is water only for miles and miles.

Have you ever crossed a bridge? Where?

Yes, I have to cross a bridge on the way to my school, which is built over river Yamuna. This is a steel bridge, since from long time this bridge is strong and safe.

Class 4 EVS Chapter 7 Question Answers Set 2

What was the bridge built over?

The bridge was built over the river Ganges.

What did you see below the bridge?

I saw water and some boats below the bridge.

Find out why bridges are made?

Bridges are made for people and their vehicles to cross the river.

Have you ever been through a tunnel? How did you feel?

Yes, I have been through a tunnel. I felt a little nervous.

The route from Goa to Kerala has a total of 2000 bridges and 92 tunnels! Why do you think there are so many bridges and tunnels?

There are many rivers and mountains on the route from Goa to Kerela. So, there are many bridges to cross the rivers and tunnels through the mountains on the way.

Imagine and draw in your notebook what Omana saw under the bridge when her train crossed it?

Omana saw some boats and fishermen in the river under the bridge.



Class 4 EVS Chapter 7 Question Answers Set 3

Imagine, if on the way there had been no tunnels and bridges, how would Omana’s train have crossed the moutains and rivers?

If there were no tunnels and bridges across the mountains and rivers, Omana’s train could not have crossed them.

Which languages do you speak at home?

We speak Hindi at home.

On the way from Gujarat to Kerala Omana’s train went through several states of our country. Find out and list which states it crossed.

It started from Gujarat and crossed Maharashtra, Goa and Karnataka and finally entered Kerala.

Did you ever have coconut water? How did you find it? Discuss.

Yes, I have it several time. I bought it from coconut water salesman. I like it very much.

Draw a coconut tree and discuss in the class about it.

Coconut trees are mostly growing in coastal areas. This is a long tree. There are over 150 species of coconuts that can be found in 80 different countries throughout the world.

Question:
Find out in which states these languages are spoken?
Language Where it is spoken (State)
Malayalam
Konkani
Marathi
Gujarati
Kannada

Answer:
Languages mention in the question are spoken in states given in the table below:

LanguageWhere it is spoken (State)
MalayalamKerala
KonkaniGoa
MarathiMaharashtra
GujaratiGujarat
KannadaKarnataka

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Class 4 EVS Chapter 7 Extra Question Answers Set 1

Where was Omana when she woke up?

Omana was at Madgaon that is in the state of Goa.

What did Omana do when the train stopped?

She got off at the station and had some hot tea and filled her water bottles.

Describe the scene which Omana saw outside.

It was very beautiful. It was green everywhere – fields with red soil, green crops and hills covered with trees. She could see small ponds, and far away, behind the hills there was more water but she could not make out whether it was a river or the sea.

What is a level crossing?

Level Crossing is a place where a railway line and road cross each other usually with a gate or a barrier that stops the traffic when the train is passing through.
• In a level Crossing, railway line /track is at the same level as that of the road.
• Usually there are traffic signs/lights that indicate the crossing.
• Also there are sounds that act as a warning bell.

Describe the scene near a level crossing.

Near a level crossing, there were People waiting on both the sides of the crossing for the train to pass. There were buses full of people, cars, trucks, autorickshaws, cycles, motor cycles, scooters and even tongas and bullock carts with people and goods in them.

Why was there so much noise and smoke near the level crossings?

Some people do not switch off the engines of their vehicle even while waiting for the train to pass. Thus there is a lot of smoke and noise.

Do you think it is right for the people cross by going under the bars of the level crossing?

No, it is not correct as it can result in accidents because either they can get stuck and the train can come or they might fall and get injured while trying to do so. According to me, one must not do this kind of things as it is not safe and a very dangerous act.

Class 4 EVS Chapter 7 Extra Question Answers Set 2

When the train crossed a river, it made a different sound. Why?

The train when crossed a river made a different sound because of the vibrations of the train, the wheels rattled as there was no ground, only the tracks, and the water down below

Why were the children getting confused when the trains crossed each other?

At times when the trains were crossing the other train. The children, Unni and Omana tried to count the carriages in one such train, but got confused due to the speed of the trains as both the trains were going so fast.

List various ways to reduce noise pollution.

We can reduce Noise pollution by –
• turning off the appliances when not in use,
• using earplugs,
• lowering the volume,
• regular maintenance of vehicles and machines etc.
• By controlling noise, we can control negative health effects that noise pollution has on everyone

What steps can we take to reduce noise of the vehicles and to save petrol and diesel?

The steps that we need to be taken to reduce noise of the vehicles and to save petrol and diesel are-
i) While waiting, people need to switch off the engine of their vehicles to save petrol and diesel.
ii) to stop noise pollution, people need to stop unnecessary honking while waiting at a level crossing or on a busy road.

Why are bridges made?

A bridge is a structure that is built to cross or overcome a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross.

What did Omana see in the river?

Omana saw that the river down below was full of water and had some boats. She could also see some fishermen on the banks.

What are the materials used to make a bridge?

Cement, stone chips, iron girders, concrete, bricks, sand, iron rods pillars, and piles are used to make the bridge.




Class 4 EVS Chapter 7 Extra Question Answers Set 3

How are the bridges useful?

Bridges are important structures that help to connect two parts of the land. They are useful as they-
• provide passage for crossing natural barriers, such as rivers, lakes, canals, railway line, and busy roads
• without bridge distance would be longer and it would take more time.

How many bridges did Omana see?

She saw two bridges, one on which her train was moving and the other on which cars, buses and other vehicles were moving.

What is a tunnel?

A tunnel is an underground passage way for the trains and other vehicles through the surrounding earth, like rock, soil, mountain etc. It is enclosed except for the entrance and each end.

Why did the lights come on when the train went through the long tunnel?

When the train went through the long tunnel the lights came on because that tunnel was too dark. Also because it was dark outside.

How did Omana feel when the train entered the tunnel?

It was bright and sunny outside. Suddenly, everything became dark. It also felt a little cold inside, so Omana felt scared when she entered the tunnel.

The route from Goa to Kerala has a total of 2000 bridges and 92 tunnels! Why do you think there are so many bridges and tunnels?

While following the route from Goa to Kerala, the train has to pass through sea coast, many water bodies and hills. So, to cross them there are so many bridges and tunnels.

What did Omana see when the train came out of the tunnel?

Omana saw that it was sunny, bright and green outside and the train had crossed the tunnel.

Class 4 EVS Chapter 7 Extra Question Answers Set 4

Why did Omana exchange addresses with Sunil’s family?

Omana exchanged addresses with Sunil’s family because they had become good friends and thus they wanted to plan to meet each other in Ahmedabad.

At what time did Omana’s family start packing up?

Omana’s family start packing up at night.

Omana saw people wearing different types of clothes, eat different kinds of food and grow different kinds of crops. Describe these differences

Omana saw people wearing different types of clothes, eat different kinds of food and grow different kinds of crops because she was travelling through different states and India is a land of diverse culture, tradition so people living in different parts of India wear different types of clothes, eat different types of food, have different culture, traditions, festivals etc. That is why she could see so many differences. The lifestyle and way of living, religion etc of the people is different from each other. The houses and villages are very different. For example- People’s clothes were also different from what Omana saw in Ahmedabad. Most people were wearing white or cream-coloured dhotis and sarees.

What are paddy fields?

Paddy fields are also called rice paddy. They are small, level fields filled with water and are used to cultivate rice. Wet-rice cultivation is the most prevalent method of farming, where it uses a small fraction of the total land yet feeds the majority of the rural population.

Where did Sunil’s family get down?

Sunil’s family is got down at Kozhikode around 6 O’clock. They have exchanged addresses and planned to meet in again in Ahmedabad.

Where was Omana supposed to get down? For how many days did she travel by train?

Omana was supposed to get down at Kottayam in about three hours. She had travelled by train for two days and it had been a long journey.

Where was Omana going?

Omana was going to Valiyamma’s house. She would take a bus that would go to Ammumma’s village.

Do you think the journey given in unit 7 of class 4 EVS is important to compare to other historically important places?

Most of the people read about the destination and how significantly important that place is or maybe was in the past. However, the main and learning things can be seen during the journey and vast knowledge can be gathered. One meets different people from different work and zones they live. Which affects your experience and your mentality too. That is why the journey matters the most.

Do you find unit 7 of class 4 EVS is interesting to read?

I think the people who never traveled this route of the journey will find this chapter fascinating and enjoyable too. You will be able to read many things about the times, people what they did at what times. Now things have changed but it is a document that reads the things the character experienced.

What are the major objectives of the chapter 7 class 4th EVS trying to achieve here?

The chapter tries to encourage children to travel more and not just travel but document it whether in a form of video or writing a diary but to make some documentary or blog about the things that they’re going experience in the journey so that they can later enjoy it like we are reading this chapter. An experienced life by someone else.

What are the most fascinating things in chapter 7 of EVS class 4 NCERT that the boy likes?

There are so many things in the chapter the boy liked the most but I can list few most fascinating things I think the boy liked the most are as follows: –
• Same level rail crossing
• Overwater bridge for the train and boy liked it when it crossed the river.
• The tunnel which the train enter and came to another side of the mountain.
These are the few things that I think the boy likes the most as I also am interested to know how these massive objects that look perilous can be safe to use and make.