Grade-3 Science, Chapter-6 Cleanliness, Health and Hygiene


Chapter 6
Topic:  Cleanliness, Health and Hygiene

Section  A

 Fill in the blanks
1.   Everyone needs to keep themselves clean in order to kill germs and avoid getting diseases.
2.   Most germs are spread through hand contact.
3.   We should cover our mouth when we cough and sneeze.
4.   We should avoid the use of plastic bags to keep our surroundings clean.
5.   Eating nutritious food helps to keep our body healthy.

Write an advantage of each:

 Good food
 Good food helps us maintain a healthy body.
 Personal Hygiene
 Personal hygiene prevents us as well as others from getting sick.
 Rest and Exercise
 Rest and exercise are essential for healthy growth, alertness, learning ability, memory, mood and behavior.
 Recreational activities
 Recreational activities ae very important for the emotional, social and physical development of an individual.
 Cleanliness in the surroundings
 Cleanliness in surroundings helps us live healthy and better lives.

Section B
 Give reasons for the following:

 We should have a nutritious diet.
 Ans- We should have a nutritious diet as it gives us the energy to carry out daily life activities and also reduces the risk of diseases.
 We should wash our hands with soap and water before we eat food.
Ans- We should wash our hands with soap and water before we eat food to make them germ-free and avoid the risk of infection.
 We should plant more trees.
 Ans- Plantation is necessary to keep our neighbourhood greener and cleaner.

 Observe the picture carefully and answer the questions that follow:


 Q. What is child A doing?
 Ans- Child A is littering waste in open.

 Q. What is the child B doing?
 Ans- Child B is throwing waste in dustbin.

 Q. What does the signpost indicate?
 Ans- The signpost indicates- Do not litter.

Q. According to you, whose action is correct?  Child A’s or child B’s?
 Ans- Child B’s action is correct.

 Q. Give reasons for your answer.
 Ans- By using dustbins we can keep our surroundings clean and ensure good health of community.

 Section C

 How can you reuse the following items and keep your surroundings clean?

 Old newspaper
1-   Use them for craft projects
2-   Recycling them by making hand-made paper.
 Vegetable peels
1-   Using them for making manure / compost
2-   Vegetable peels can be fed to cattle.


Section D

Write the important points to maintain personal hygiene.
a) Washing hands
b) Covering mouth while coughing
c) Having regular bath and shower
d) Cutting nails
e) Brushing and flossing teeth
f) Wearing clean clothes

Q. How can you keep your surroundings clean?
Ans- We can keep our surroundings clean by
1-   Using proper dustbins for household wastes.
2-   Avoiding spitting in open
3-   Avoiding use of plastic bags
4-   Not littering on the road or in neighbourhood
5-   Recycling used paper
6-   Planting more trees

 Q. Who launched Swachchh Bharat Abhiyan?
 Ans- Our Prime Minister Shri Narendra Modi launched Swachchh Bharat Abhiyan.

Q. Write any two points of Swachchh Bharat Abhiyan.
Ans- Two points of Swachchh Bharat Abhiyan are:
1-   Construction of toilets for people to use.
2-   Use of coloured dustbins for throwing different types of waste.

Section- E
(Revision Questions)

Q. Write two important conditions for maintaining a healthy body.
Ans- Following are the two important conditions for maintaining a healthy body:
1.   Good food
2.   Personal hygiene

Q. What do you mean by Swachh Bharat Abhiyan?
Ans- Swachh Bharat Abhiyan is a campaign by the Government of India to clean the streets, roads of the cities and towns.

Q. Why should plastic bags not be used?
Ans- Plastic bags should not be used because:
1-   They make the surrounding dirty and unhygienic.
2-   They clog drains and cause water logging.

Q. How many hours of sleep is important for you?
Ans- 9-11 hours of sleep is important for me.

Q. How does planting of trees help to keep our surroundings clean?
Ans- Planting of trees reduces pollution and hence helps to keep our surrounding clean.
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