Class 5 Exam  >  Class 5 Notes  >  EVS Class 5  >  Worksheet Solutions: What if it Finishes ...? - 1

What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

Q1: Match the following

What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

Ans:

What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

Q2: MCQ

(i) Which of the following fuels gives least smoke? 
(a) Petrol
(b) Diesel
(c) CNG
(d) None of these
Ans: (c)
CNG is the fuel that makes the least smoke, which is good for the environment because it doesn't create a lot of pollution.

(ii) Which gas is used for cooking in homes? 
(a) CNG
(b) LPG
(c) Both (a) and (b)
(d) None of these
Ans: (b)
LPG, a type of gas, is what people use for cooking in their homes because it is safe and convenient.

(iii) To clean oil found deep down in the earth, it is sent to
(a) pumps
(b) refinery
(c) oil depot
(d) mills
Ans: (b)
When oil is found deep in the earth, it needs to be cleaned, and this process happens at a place called a refinery.
What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

Q3: Fill in the blanks

(i) Adalaj step well is about _____ km away from Ahmedabad.
(ii) There were hardly any __________ on the highway.
(iii) Vehicles run on __________.
(iv) Vehicles  stopped  at  the __________ for fuel.
(v) On the posters at the petrol pump, it is written that __________ and __________ will not last forever.
(vi)  Petrol  is  formed  __________ but very slowly. 
(vii)  Petrol  is  found  deep  down under the __________.
(viii)  __________ is a smelly, thick, dark coloured liquid.
(ix) We get kerosene, diesel, petrol, engine oil, wax etc. from __________.  
(x)  Petroleum is cleaned and its products are separated in a __________.
Ans:
(i) 18
(ii) bicycles
(iii) fuel
(iv) petrol pump
(v) petrol, diesel
(vi) naturally
(vii) ground
(viii) Petroleum
(ix) petroleum
(x) refinery

Q4: True or False

(i) We should switch off the engine when we stop the car.
(ii) Petrol and diesel are made by humans on machines.
(iii) Electricity can be used to run vehicles.
(iv) Crude oil is also used for making several other things like plastics and plants.
(v) Vehicles that run on CNG give out a lot of smoke.

Ans: 
(i) True
(ii) False
(iii) True
(iv) True
(v) True

Q5: Short Answer Type Questions

(i) Where is Adalaj's step well located?
Ans: 
Adalaj's step well is located in Baoli.
What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

(ii) Why was a child sitting in a rickshaw coughing badly?
Ans:
Due to smoke coming from vehicles.

(iii) From where do we get petrol?
Ans:
From petrol pump.
Petroleum is mainly found in the underground reservoirs where the ancient seas were located.

(iv) How is petrol pumped out?
Ans: 
Petroleum is pumped from the ground with the help of a machine

(v) What do women in the village use to make a fire to cook food?
Ans: 
Damp wood

(vi) Which states of India have oil fields?
Ans: 
The states having oil fields in India are Andhra Pradesh, Mizoram, Orissa, Tamil Nadu, Rajasthan, and Arunachal Pradesh.

(vii) Besides oil, what else is found deep inside the earth?
Ans:
Besides oil, minerals like iron, copper, bauxite, gold, etc. deep are found inside the earth.

Q6: Long Answer Type Questions

(i) Why is CNG preferred as fuel to petrol and diesel?
Ans:
 Compressed natural gas is preferred as it is a very clean-burning fuel as in reality it is the cleanest of all fossil fuels. CNG usage is non-toxic to water levels also and does not contaminate the groundwater table.

(ii) Name the products obtained from petroleum.
Ans: 
Well-known petroleum products include:
Gasoline and Diesel fuel, Liquefied Petroleum Gas (LPG), Other fuels, such as fuel oil and Kerosene, Asphalt (a special form of concrete), Paraffin wax, Tar and Plastics.

(iii) What are the uses of petroleum?
Ans:
The main uses of petroleum are as follows:
Transportation, Industrial power, Heating and lighting, Lubricants, Petrochemical industry,  Use of by-products.
What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

(iv) How can we save petrol? (or) Suggest some ways to save petrol.
Ans:
 The following measures could be taken to save oil:

  • In place of using personal vehicles, we should use public transport systems like buses, trains or metro trains, etc.
  • We should prefer walking on foot or by bicycle.
  • We should keep our vehicles switched off on red lights.
  • We should utilize solar energy for different purposes.

(v) What kind of problems do we face if the number of vehicles keeps on increasing on the roads?
Ans: 
If the number of vehicles will keep on increasing then air pollution, water pollution, and sound pollution will increase.  The liberation of harmful gasses will ultimately increase.

(vi) What is a refinery?
Ans: Petroleum is a mixture of many substances such as gas, petrol, diesel, kerosene, lubricating oil, paraffin wax, etc. As these constituents serve different purposes, it is important to separate them, or in other words, refine the crude oil. This process of separation of various constituents of petroleum is called petroleum refining.

The document What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12 is a part of the Class 5 Course EVS Class 5.
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FAQs on What if it Finishes...? - 1 Class 5 Worksheet EVS Chapter 12

1. What are some possible reasons for a class finishing early?
Ans. Some possible reasons for a class finishing early could be completing the lesson objectives ahead of time, the absence of students or the teacher, technical difficulties, or a change in the schedule.
2. What can students do if their class finishes early?
Ans. If a class finishes early, students can take the opportunity to review their notes, ask the teacher questions, work on homework or assignments, engage in additional practice exercises, or use the extra time for self-study.
3. How can teachers effectively manage a class that finishes early?
Ans. Teachers can effectively manage a class that finishes early by having extra activities or materials prepared in advance, such as supplementary worksheets, educational games, or group discussions on related topics. They can also encourage students to discuss and reflect on what they have learned so far.
4. What should teachers do if a class finishes early frequently?
Ans. If a class finishes early frequently, teachers should evaluate the pace of their lessons and adjust accordingly. They can consider adding more challenging activities, extending discussions, or introducing additional topics to keep students engaged and maximize learning time.
5. How can students and teachers make the most of the extra time if a class finishes early?
Ans. Both students and teachers can make the most of the extra time if a class finishes early by utilizing it for productive activities. Students can review their notes, ask for clarification on difficult concepts, or work on additional practice exercises. Teachers can use the time for individualized instruction, providing extra guidance to struggling students, or encouraging independent research on related topics.
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