Lakhmir Singh and Manjit Kaur Science solution: “Saving Our Resources” Chapter 13. Here you get easy solutions of Lakhmir Singh and Manjit Kaur Science solution Chapter 13 . Here we give Chapter 13 all solution of Class 5. Its help you to complete your homework.
- Board – CBSE
- Text Book – SCIENCE
- Class – 5
- Chapter – 13
Objective Type Questions
(1) Fill in the blanks.
(a) The three major forms of fossils fuels are _______, ______ and _______
(b) ________ are useful raw materials.
(c) We should use a ______ and _____ to take a bath.
(d) Non-renewable resources should be used ______
(e) Life exists on the earth because of the presence of _______
Ans. (a) Coal; Oil; Natural Gas (b) Natural resources (c) Bucket; Mug (d) Wisely / Judiciously (e) Air.
(2) Give one word for the following.
(a) (a) Hybrid vehicle (b) Potable water (c) Non-degradable (d) Non-renewable (e) Asthma
Subjective Type Questions
(4) (a) What are natural resources? Why should we conserve them?
Ans. Natural resources are useful raw materials that we get from the Earth like air, water, soil, forests, fuels and minerals.
We should conserve natural resources due to maintain the ecological balance in nature and also because many of them are non renewable.
(b) Why is potable water scare?
Ans. This is because climatic changes and pollution.
(c) Mention any three ways of saving water.
Ans. Three ways are:-
(i) Do not waste water in your household.
(ii) Close the tap when you do not need water.
(iii) Use a bucket and Mug to take bath instead of using shower.
(d) Why should you not throw plastic in the soil?
Ans. Plastic bags have become a menace to the society due to their non-degradable nature.
(e) Why is the green space reducing?
Ans. This is because Man is wiping away the forests for construction projects. The population is also increasing at a faster rate and so is the requirement of housing and furniture.
(f) Why is it important to save fossil fuels? Mention any two ways of saving fossil fuels.
Ans. This is because fossils fuels are non renewable in nature. This means, if these resources are depleted they will never be available again.
We can save fossil fuels by using fuel-efficient technology.