1.) How will you save LPG, wood and kerosene oil?
Answer - 1. We should use solar energy , biogas and electricity for cooking to save these fuels.
2. We should use pressure cooker for cooking to save these fuels.
3.) We should stop cutting trees and grow more trees.
2. What would you like to become when you grow up ?
Answer:- I want to be a teacher, when i grow up.
3. Fill in the blanks :
a. Coal, petrol and gas are found due to heat and pressure of earth.
b. Burning of coal produces energy.
c. Sukhdeep Kaur was a pilot.
d. The sources of energy are limited.
e ) The mountain trekkers are called mountaineers.
4.) Who was Bachendripal?
Answer : - Bachendri pal was the first Indian woman and fifth woman in the world to climb the highest peak of Mount Everest.
5.) How were petrol, diesel and LPG formed under the earth?
Answer :- Millions of years ago, animals and trees got buried under the earth. With the passage of time,these were covered with the layer of soil, rocks and stones. Due to excessive heat of earth and lack of air, those trees and animals got transformed into gas, oil and coal.
6.) Who was Sukhdeep? What did she want to be in her childhood?
Answer :-Sukhdeep was a pilot. She wanted to be a pilot in her childhood.
7.) How can we control air pollution caused by petrol and diesel ?
Answer :- 1. We should turn the engine off when we are at traffic signals.
2. Get the vehicles serviced at the appropriate time to decrease the fuel consumption.
3. If possible do not use your vehicle while going to a nearby place.
4. If possible, use public transport, instead of private vehicles.
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