SOLUTION
She can re-use it for cleaning the toilets.
Q. 152505
What does the picture show? Name the place where it is commonly used.
What is rain water harvesting?
The process of conserving rain water which can be further used for various household purposes is called rainwater harvesting.
Why should we conserve rainwater?
We should conserve rainwater as it is a clean and precious resource of water, which can be used for many purposes.
Write whether you agree/ disagree with the given statements:
a. Clouds release water or snow which falls on the ground by a process called precipitation.
b. In slums, tube wells are the most common source of water.
Agree
Agree
Alia was washing clothes and she is now left with a bucket full of used detergent water. How can she re-use this detergent water?
She can re-use it for cleaning the toilets.
What does the picture show? Name the place where it is commonly used.
The above picture is of a ‘Tubewell.’ It is commonly used in villages.
Name the process that results in the formation of clouds from water vapour.
Condensation.
What is a water cycle?
The continuous movement of water from the Earth’s surface into the air and back to the Earth is called the water cycle
Match the following:
|
Column A |
Column B |
|
Disease caused by drinking contaminated water |
70% |
|
Percentage of the Earth covered by water |
evaporation |
|
Process of converting surface water into water vapour |
jaundice |
|
Column A |
Column B |
|
Disease caused by drinking contaminated water |
jaundice |
|
Percentage of the Earth covered by water |
70% |
|
Process of converting surface water into water vapour |
evaporation |
Give the correct word to fill the given blank:
|
Hint |
One Word |
|
Water used for drinking purposes. |
|
|
The percentage of water available on the Earth that can be used by humans. |
|
|
Hint |
One Word |
|
Water used for drinking purposes. |
portable water |
|
The percentage of water available on the Earth that can be used by humans. |
2% |
List any two measures that needs to be taken for conserving water.
1. Do not leave the water running while bathing, washing, brushing teeth, etc.
2. Use a bucket instead of a shower while bathing.
Give one word for the ‘blue planet’.
Earth
How does the water get recycled in nature?
Nature recycles water in the form of water cycle involving the processes such as evaporation, condensation, precipitation.
How can we avoid the contamination of water?
We should always keep the water covered and also should use a clean vessel to avoid the contamination of water.
Why do you think that underground water obtained through spring, is not suitable for drinking?
This is because, it contains large amount of impurities .Some springs even contain sulphur, which is harmful for organisms.
Where does this water source belongs to?
Tubewell, commonly found in villages.
What is a water cycle?
The continuous movement of water from the earth’s surface into the air and back to the Earth is called water cycle.
Name the natural or man-made water bodies of standing water, usually smaller than a lake.
Ponds.
Match the following:
Complete the following table:
Fill in the given blank:
The old faithful geyser in Yellowstone National Park erupts regularly every _____minutes.
a)91 b)102
a)91
Give one word.
Fresh and salt water bodies, which are larger and deeper than ponds.
Lakes
Complete the sentence.
_______are dug to draw up the water present deep below the ground.
Wells
How are springs formed?
Springs are formed when underground water flows to the surface through the cracks in the mountains.
Identify the image given below:
Geyser
Match the following:
Draw a flowchart illustrating the major sources of water.
Write an essay on ‘Water conservation’.
Hints:
>What is water conservation?
>Significance of water conservation for the environment .
>Examples for water conservation at home.
Answers may vary.
Rain water harvesting is a conscious effort by society to help in conservation of water. Make a flow chart based on ‘Rainwater Harvesting’ showing the steps and procedures.
Answers may vary.
Write a slogan on ‘Water conservation’.
Hint: conserve,water,save,drop,precious.
Answers may vary.
Q27. Find the given words in the word search:
1)Conserve
2)Water cycle
3) Evaporation
Tick () and cross(X).
a. One should take as much water as is required.
b. Taps should be left to leak.
(X
Pick out the incorrect statement.
1.70% of Earth is covered with water.
2. Jaundice and Typhoid are not water borne diseases.
Jaundice and Typhoid are not water borne diseases.
For what other purpose can we re-use the water, which is used in rinsing fruits and vegetables?
It can be used to water the plants
Rainwater harvesting
Why is the Earth called the ‘blue planet’?
70% of the earth surface is covered with water. Thus, it is called the blue planet.
Match the correct pair.
Name any two organisms from which we obtain cloth material.
1.Sheep
2.silkworm
Name the type of cloth material we get from them:
|
Name |
Cloth material |
|
Sheep |
|
|
Cotton plant |
|
|
silkworm |
|
|
Jute plant |
|
|
Name |
Cloth material |
|
Sheep |
wool |
|
Cotton plant |
cotton |
|
silkworm |
Silk |
|
Jute plant |
jute |
Look at the image and identify the insect shown. Hint: We derive a fibre from them.
silkworm.
16Name the type of material from which the mentioned cloth is made:
Complete the sentence:
a.________is the device used for weaving cloth.
b.Slik fibre is obtained from ______.
c. Jute is a ____ fibre.
d._____ clothes are worn in official setting.
e.______ sets of threads are crossed over and under each other while weaving.
a.Loom
b.silkworm
c. natural
d.formal
e.Two
Agree/ Disagree?
a.Batik printing is a type of textile printing.
b.Nylon is a natural fibre.
c.Cotton is a synthetic fibre.
d.Loom is a machine used for weaving cloth.
e.Wool is obtained from sheep.
a.agree
b.disagree
c.disagree
d.agree
e.agree
What is loom?
Loom is a device whichholds the warp threads in place while filling threads are woven through them to weave a cloth.
Identify the type of printing on the cloth:
List some of the textile printing done on clothes.
1.rubber print
2.batik print
3.stencil
4.hand block print
What is depicted in the following image:
Loom is depicted in the image above. It is used for weaving cloth.
Match the following:
|
Column A |
Column B |
|
Silk |
natural thread |
|
Cotton |
silkworm |
|
Loom |
weaving machine |
|
Lycra |
textile printing |
|
Batik print |
synthetic thread |
|
Column A |
Column B |
|
Silk |
silkworm |
|
Cotton |
natural thread |
|
Loom |
weaving machine |
|
Lycra |
synthetic thread |
|
Batik print |
textile printing |
What all things were used by the people in ancient times for weaving cloth before the invention of loom?
1.natural grass
2.thin strips of wood
3.palm leaves
4.leaf stalk
Name the device used by the weavers for weaving cloth.
Weaving is done on a loom.
List some synthetic threads used by the weavers.
Nylon, rayon, lycra and polyester are the synthetic threads used by the weavers.
Name the natural threads used by the weavers for weaving cloth.
Cotton, jute, wool and silk are the natural threads used by the weavers for weaving cloth.
What kind of clothes do we wear during summer?
We wear soft and airy clothes in summers.
Rita left the tap open after taking bath.Is this right or not? What would you have done, if you were at her place?
No, it is not right to leave the tap open if it is not being used for some purpose. This leads to wastage of water. If I were at her place, I would have closed the tap after using it in order to conserve water.
Complete the sentence:
________is the common resource of water in slums.
a.tubewell b.tap water
a.tap water
True/False.
a.One should water with dirty hands.
b.The continuous movement of water from the earth’s surface into the air and back to the earth is called water cycle.
a.False
b.True
Make a list of the various ways through which you can conserve water at your home.
>Using bucket instead of shower while bathing.
>Avoiding wastage of water while bathing, washing, etc.
How can we conserve water?
By reusing and recycling water, we can conserve water.
What are the most commonly used sources of water in the villages.
Wells, tubewells and hand-pump.
How can we reuse the water that is used for washing clothes?
We can reuse the water for cleaning the toilets.
What is rain water harvesting?
The process of conserving water for using it for various purposes is called rainwater harvesting.
Why should we conserve rainwater?
We should conserve rainwater as it is clean and precious resource of water which can be used for many purposes.
Agree/ Disagree?
disagree
Agree
Why should we drink eight glasses of water everyday?
Water keeps us healthy and active and helps in the process of digestion.
Identify the use of water illustrated in the picture below:
Water is used as a means of transportation.
What is a water cycle?
The continuous movement of water from the earth’s surface into the air and back to the Earth is called water cycle.
How is water lost from our body?
Water is lost from the body through urine and sweat.
Match the following:
Complete the following table:
What would happen to plants, if they are not provided with water?
Without water, plants will start wilting and some may even die, if they are devoid of water for a long time.
Name the term used for defining the ‘animals which live in water’.
Aquatic animals
Identify the use of water illustrated in the picture below:
Water is used for washing hands.
Give one word for ‘The plant that needs very less water for its growth’.
Cactus
Why did Chhotu arrive in the big city?
Like many other migrant people in search of work, he arrived in the city for a suitable job opportunity.
Chhotu arrived in which city?
Chhotu arrived in the metropolitan city of Mumbai.
How old is Chhotu?
Chhotu is a 16 year old boy.
Which all factors are responsible for existence of so many categories of houses?
Following factors are responsible for the different types of houses in different places
Region, climate, material used and the economic status..
What is the main difference between a bungalow and an independent house?
An Independent house has lesser number of rooms compared to a bungalow. Also there is a swimming pool in bungalow which may not be present in an independent house.
What must be the reason to build more number of multi-storey buildings in the cities?
A Multi-storey building requires less space. It has many floors so more number of people can live in easily.
Give reason why thick walls are preferred for a mud house?
Thick walls are used to protect the people from heat and warmth of the sun.
Write few lines about slum dwellings.
Slum dwellings are built in big cities. They are made up of tin shed, cloth, mud etc. They mostly have sloping roofs.
Mansion
Which type of house is build by the underprivileged people in urban areas?
Slum dwellings are build by underprivileged people.
Agree/Disagree:
Mansion is made up of mud and straws.
Disagree
Identify the picture and write the material required to build it.
Bungalow
Bricks, concrete, cement, marble and glass are the materials required to build a bungalow.
Write two characteristics of a multi-storey building.
Multi-storey building has many floors. All types of amenities such as hospital, banks, post-office, schools etc are located in the near vicinity.
Complete the table
|
Types of house |
Location |
Features |
|
Multi-storey |
|
|
|
|
Metro cities |
Big house with many rooms and beautifully landscaped gardens |
|
Types of house |
Location |
Features |
|
Multi-storey |
Cities |
Many floors, more people can live in small space |
|
Mansion |
Metro cities |
Big house with many rooms and beautifully landscaped gardens |
Fill in the blanks with the correct option.
a. Independent house has a _______ roof. (flat/sloping)
b. Bungalow is usually found in _______. (metropolitan cities/villages)
flat
metropolitan cities
Name the house which is made on small portion of land with one to three floors?
Independent house
Saurabh visits a friend. He uses the building lift to reach his friend who resides on fifteenth floor. Which type of house is Saurabh’s friend residing in?
Saurabh’s friend is living in a multistory building.
Which type of houses is build in villages? Write 2-3 lines about it.
Mud houses are built in villages. They are made up of mud, straw and thatch. They have a sloping roof.
Which type of house has a lawn, swimming pool and a playing area?
Bungalow
True or False:
Caravans are used by nomads.
True
In which place, bhongas are predominantly found?
Bhongas are the mud houses predominantly found in Kutch region of Gujarat.
Why do mud or cement houses have windows and shutters, made up of thorny plants?
Windows and shutters for these kind of houses are made up of thorny plants in order to filter the sand from the air so that it will not enter the house.
Complete the following table
|
Types of house |
Made up of |
Advantage of that house |
|
Bhongas |
|
Remains firm even after an earthquake |
|
|
Waterproof sheet of canvas or nylon |
|
|
Types of house |
Made up of |
Advantage of that house |
|
Bhongas |
Mud houses |
Remains firm even after an earthquake |
|
Tent houses |
Waterproof sheet of canvas or nylon |
Protects us from cold waves and rain. |
Identify the type of house from the following image:
Haveli
Why do the mud houses have thick walls?
Thick walls are used to prevent the house from the hot winds which are called loo. They protect us from harsh hot weather.
Give one word for the following:
It is a house mostly found in states like Assam whose interior is made up of wood.