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What If It Finishes Class 5 Notes CBSE EVS Chapter 12 (Free PDF Download)

Last updated date: 19th Jul 2024
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What If It Finishes Class 5 EVS Chapter 12 Revision Notes and Worksheets Free PDF for Quick Preparation

Chapter 12 of Class 5 EVS is about fossil fuels. This chapter describes to students how diesel and petrol are made from the crude oil pumped out from mines. The What If It Finishes summary explains what will happen to the world if fossil fuels are completely over. The story describes how the world is dependent on these fuels. It also explains how the roads are busy and so are the petrol pumps.

What If It Finishes revision notes explain how these fuels are dug out from the mines. They are not available everywhere. Moreover, crude oil needs to be treated chemically to get petrol and diesel. These notes will help you understand the other uses of petroleum and its alternate options.

Class 5 EVS Revision Notes - Chapter-wise List

The class 5 EVS notes will help students prepare better for their examinations. They are prepared by experts and are in accordance with the latest CBSE syllabus and guidelines.

Access Class 5 Environmental Studies Chapter 12: What if it Finishes . . .?

Summary of What if it Finishes. . .?

  • The chapter what if it finishes…? Strongly put forth the issue of natural resources.

  • Petrol is naturally found on the Earth’s surface. But it takes millions of years to be formed.

  • Due to the availability of the limited resources we have to start conserving them.  

  • The different forms of petroleum include petrol, diesel, CNG, LPG, etc. These different forms of petroleum are used in different types of vehicles.

  • Even now in villages cow dung and dry wood are used as a form of fuel for cooking.

  • The resources that can be renewed should be utilized more. In the last twenty years, the utilization of LPG has gone very high.

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A Bus Journey

  • Group of school children is about to go on a school trip to a place called Adalaj step well which is around 18kms from Ahmedabad.

  • The children started to count the number of different types of vehicles moving on the road like motorcycles, cars, bikes, etc.

  • Suddenly the driver braked at the red signal. All the vehicles started to horn and smoke started to develop as the vehicles accelerated.

  • Due to this smoke, people suffocate and begin to cough heavily.

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On the Petrol Pump

  • The bus stopped at a petrol pump for fuel. All the children from the bus got down since there was a long queue.

  • The children noticed many posters and banners on the petrol pump saying “Petrol and diesel do not last long, save for your children”, “Off of the engine when you stop the car”.

  • The children were surprised to see such sayings and asked about the same to an uncle who works at the petrol pump.

  • The man explained to the children that petrol is a natural resource and is available only in certain places. We have to use them wisely without wasting them since they form very slowly.

  • It requires a pump to extract the crude from the ground. 

  • The children started to discuss it. Abraham asked if petrol gets exhausted then how will the vehicles run in the future. Manju replied CNG can be used as an alternative that produces little pollution but is found in less quantity.

  • Divya shared her grandmother’s thoughts. Her grandmother used to say if only two people are travelling in a car, they can use the bus so that it will minimize the pollution.

  • Manju told her friends in the future she would develop a car that will run in the presence of sunlight so that it can reduce pollution.

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Wood for Chulha

  • Durga, who lives in a village in Haryana, spends half a day collecting wood for cooking. Even her daughter helps her in collecting wood.

  • For the past three months, she has been suffering from a severe cough due to the smoke developed from burning damp wood.

  • Approximately two-thirds (2/3) of the people in our country now use uple, wood, and dried twigs, among other things. These are used for a variety of purposes, including keeping warm, heating water, and lighting.

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The Theme of the Chapter

  • The chapter talks about the conservation of natural resources for future generations.

  • The chapter emphasizes the use of alternative resources for petroleum.

  • It also talks about methods to save the resource so that it will last long.

  • The chapter puts light on the disadvantages of using wood as fuel for cooking 

Facts to Remember

  • A building known as an oil refinery transforms crude oil into different usable petroleum products like gasoline, kerosene, or jet fuel.

  • Although many integrated oil businesses will provide both extraction and refining services, refining is considered a downstream activity in the oil and gas sector.

  • Petroleum-based products are used to power vehicles, heat buildings, and generate energy.

  • Plastics, polyurethane, solvents, and countless more intermediate and finished commodities are produced by the petrochemical industry in the industrial sector using petroleum as a raw ingredient (a feedstock).

  • Cars, buses, trucks, tractors, railroads, and generators all run on diesel. Additionally, it is used to power equipment in manufacturing.

  • Frequently, diesel fuel is used to power vehicles like trucks and boats.

Practice Questions

Q1: What are the different kinds of vehicles that you can see?

Ans: I can see bicycles, automobiles, buses, scooters, auto-rickshaws, and other vehicles.

Q2: Do you think they need petrol and diesel as fuel?

Ans: Although cycles do not require any gasoline, other vehicles like buses and cars do need it.

Q3: Which of the vehicles do you think gives off smoke? Put a red mark on those.

Ans: Cars, buses, motorcycles, and auto-rickshaws are examples of transportation.

Q4: Which are the vehicles that run without petrol and diesel?

Ans: It is possible to ride a bicycle without using gasoline or fuel.

Solved Examples

Q1: What kinds of problems will we face, if the number of vehicles keeps on increasing? For example, more traffic on the road. Talk to your elders and write about it.

Ans: If the number of vehicles continues to rise, it will result in a slew of issues, including increased road traffic, air pollution, noise pollution, and accidents.

Q2: Manju said, “Why doesn’t everyone use a bus?” What do you think, why don’t people travel by bus?

Ans: People prefer to avoid taking buses since they are overloaded.

Q3: Suggest some ways to deal with the problems arising out of the growing number of vehicles.

Ans: People should take public transportation, such as buses and trains, and carpool to minimize problems caused by the increasing number of vehicles on the road.

Q4: Suggest some ways to save oil.

Ans: Some of the oil-saving measures are given below.

  • At the next red light on the road, turn off the engines.

  • Use public transportation instead of private transportation.

  • Alternative energy sources such as solar and biogas are being used.

  • For shorter distances, prefer to walk or cycle.

Importance and Summary of CBSE Class 5 EVS Chapter 12 What If It Finishes

This chapter explains how important fossil fuels are for the modern world. The children in the story describe how busy the city roads and petrol pumps are. They also explain how much smoke is produced at a traffic stop when the engines run but don’t move.

Class 5 EVS Chapter 12 explains why we need to save fuel and make judicious use of what is available. It also tells us how using a bus can save fuel as it carries more people than a car or a bike.

This chapter shows how enthusiastic the kids are to invent the car that will run on an alternate source of energy such as solar energy. It will not cause the environment any harm. The effect of using fossil fuels is also explained well in this chapter.

Benefits of Vedantu’s What If It Finishes Revision Notes and Worksheets

  • The easier explanation of all the sections of this chapter will help you find out answers to fundamental questions. You can easily suggest two ways to save oil when asked.

  • Learn the different aspects of this chapter and learn how to draw an easy poster on save fuel. You will also be able to resolve doubts on your own using these notes.

  • Once you are done preparing this chapter, you can proceed to make save fuel drawing easily with your own concepts.

  • Use the worksheet to test your preparation level. Find out where you need to work more by comparing your answers to the solutions provided.

  • Develop skills to comprehend the concepts of this chapter. This will ensure you can list any five ways in which you can save petrol when asked in the exams.

Download What If It Finishes PDF Free Revision Notes

Get the free PDF version of the revision notes and worksheets to complete studying this chapter efficiently. CBSE EVS Chapter 12 notes from Vedantu's "What If It Finishes Class 5" series is that the notes cover important information related to environmental studies. The notes are designed for Class 5 students and are available for free as a PDF download. The content is likely to be helpful for students studying the CBSE curriculum. While specific details about the most important section are not provided, it's recommended to explore the notes to understand key concepts related to environmental science for Class 5.

FAQs on What If It Finishes Class 5 Notes CBSE EVS Chapter 12 (Free PDF Download)

1. Why should we stop engines at a traffic light?

We should stop the engine to save on fossil fuels. These fuels are not unlimited. So, it is the easiest way to save a lot of fuel wasted unnecessarily.

2. What is the best alternative to fossil fuels?

The best alternative to fossil fuels is solar energy. It is clean and does not leave toxic gases when used.

3. What is CNG?

CNG means compressed natural gas. It is used to run engines of different vehicles. It also is used to reduce pollution to a considerable extent in the cities.