TS 6th Class Science 11th Lesson Questions and Answers Telangana – Water in Our Life

TS Board 6th Class Science Guide Telangana 11th Lesson Water in Our Life Textbook Questions and Answers.

Water in Our Life – TS 6th Class Science 11th Lesson Questions and Answers Telangana

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Question 1.
How can you say water is necessary for us ? (Appreciation and aesthetic sence and values) 2M
Answer:

1. Water is the main factor responsible for life on earth.
2. Water is necessary for the life process to go on. So we cannot survive without water even a single day.
3. Water is essential for germination, to generate electricity and for irrigation of the crops.

Question 2.
Ravi wants to know the measuring units of water. What will you tell him ? (Experimentation andfield investigation) 4M
Answer:
There are some specific units of measurement of volumes of liquids like water.

1. Litres and millilitres : It is commonly used to measure liquids in shops and houses.
2. Gallons : Usually used to indicate the quantity of water in water tanks.
3. Feet: Water levels in the reservoirs is measured in feet.
4. Cusecs (Cubic centimeters / sec): Water released from dams and projects is measured in cusecs.

Question 3.
Why do people need protected drinking water scheme ? (Conceptual Understanding) 4M
Answer:

1. Supplying pure drinking water in large quantities in villages and cities is called “Protected drinking water scheme”.
2. The water we get from certain sources is not fit for drinking. It is mixed with different impurities. It is called polluted water.
3. If we drink polluted water, we may suffer from dreadful diseases.
4. If one drinks water that contains a lot of fluorine, one will get disease of bones called fluorosis.
5. So water is purified and then only sent to the houses using motors. This water does not harm us.

Question 4.
List out the activities that we perform in our daily life that consume water.
(or)
For what purposes do we need water in our daily life ? (Conceptual Understanding) 4M
Answer:
We need water to perform several day-to-day activities like

1. cooking food
2. washing clothes
3. cleaning utensils,
4. bathing
5. brushing
6. cleaning floor, toilets and pipes flushing etc.

Question 5.
In ………. season we face severe water scarcity. Give your reason. (C. U) 2M
Answer:

1. During summer surface water evaporates.
2. Then the water in tanks, rivers, ponds, canals, etc., dries up.
3. The level of ground water also falls very much.
4. Then there will be severe scarcity of water.

Question 6.
The nature of sea water is ………. (Conceptual Understanding) 2M
(a) Salty
(b) Tasteless
(c) Odourless
(d) Sweet
Answer:
(a) Salty

Question 7.
If we use water in the same way what will happen in future? Write your suggestions to prevent water wastage. (Asking questions and making hypothesis) 8M
Answer:

1. We are wasting water for many unnecessary things.
2. Over usage of water leads to water scarcity in many parts of the world in future. Suggestions to prevent water wastage :
   • Do not allow overflow of water tank when it is being filled.
   • We have to reduce the amount of water in our day-to-day activities.
   • The leakage of tap water and pipes should be immediately attended.
   • Do not leave the tap running while using for any purpose.

Question 8.
Everyone should remember that water is to be used in judicial manners. Prepare a map of your village showing different water sources. 8M (Communication through drawing and Model making)
Answer:

Question 9.
Make a pamphlet on “Don’t waste water”. Display it on wall magazine. (Communication through drawing and Model making) 8M
Answer:

PAMPHLET
DON’T WASTEWATER

1. Water is essential for the survival of life on this earth.
2. We can’t live a single day without water.
3. On our earth, the available water is quite limited.
4. There is over usage of water every where : In human activities, industries, irrigation, etc.
5. Unwise pumping of water causes depletion of ground water levels.
   This results in droughts.
6. Remember ! Water saved is water conserved.
7. Control population, reduce water consumption and also avoid wastage of water.
8. Save water drop by drop and preserve it for future generations.
9. Remember, “Water is quite precious”. Name of the publishers : Green Camp Volunteers No of copies 500.

Question 10.
Collect information about water related games and make a scrap book. (Information Skillls and Projects) 8M

Answer:
Following are some water related games
1. Swimming in water
2. Diving
3. Yachting

Question 11.
Find out the relationship between water shortage and drought. (Application to daily life and concern to biodiversity) 2M
Answer:

1. If there is no rain for a long period (4 to 5 years), it may cause droughts.
2. This leads to water shortage.
3. The intensity of rainfall influences the availability of fresh water resources.

Question 12.
Justify the statement “Droughts and floods are a result of actions made by man”. Investigate your reasons. (Application to daily life and concern to Biodiversity) 4M
Answer:

1. Indiscriminate and unwise pumping of water causes droughts. Sometimes lesser rainfall also causes droughts.
2. Causes of floods :
   • Lack of proper outlets for the rain water, when it rains heavily.
   • Lack of sufficient number of dams across the rivers, to control flood water and allow the excess water flow into the seas.
   • The disposable materials are generally thrown away. These materials obstruct water flow in canals and drainages during heavy rains. It causes floods. So these are all human faults (mistakes) that lead to droughts and floods.

Question 13.
Aravind never forgot to switch off water pumping motor in time. Do you support him ? Why ? (Appreciation and aesthetic sence and values) 4M
Answer:
Yes. I support Aravind’s attitude. If it is not switched off in time, there is

1. Wastage of electrical energy.
2. Wastage of water. We have no right to waste anything.
3. Water is precious.
4. We should not waste even a single drop of water.

Question 14.
If people are suffering due to severe floods, what would you do to help them ? (Application to daily life and concern to Biodiversity) 8M
Answer:
People in flood-hit areas face some immediate problems:

1. Problem of drinking water
2. Availability of food, fodder to cattle, etc.
3. Shelter, in some cases
4. Health hazards, etc.

Service rendered :

1. I meet my friends and discuss the problem.
2. We collect donations from generous public – money, clothes, utensils, medicines, etc.
3. We approach some service-oriented voluntary organisations, including physicians.
4. With their assistance, we try to help the needy in different ways.

TS 6th Class Science 11th Lesson Notes – Water in Our Life

• Water is essential for life.
• We need water for domestic use, agriculture, industries etc.,
• We get water from sources such as ponds, lakes, rivers, wells etc.
• Three-fourths of the Earth is covered with water. Most of the water is in Oceans and Seas.
• Of the water available on the earth, only 1 % is fresh water.
• The amount of usable water on earth is limited. So it should be used carefully.
• We depend on rains for water.
• Rain replenishes water in ponds, canals, wells, lakes and rivers.
• Floods cause extensive damage to crops, domestic animals, properties and human life.
• We must preserve water not only for us but also for further generations.
• Water Sources : The sources from where we get water for our daily needs are called water sources. Eg: Rivers, lakes, ponds, wells etc.
• Drought : Drought is a long period of time during which no rain falls. In drought time, it is difficult to get food and fodder.
• Floods : The period of time during which, we experience excessive rains, is called flood.
• Migration : People moving away from one place to another place due to natural calamities like drought or floods.