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Solutions for Chapter 2: Water
Below listed, you can find solutions for Chapter 2 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 2 [English] Class 4 TN Board.
Samacheer Kalvi solutions for Science - Term 2 [English] Class 4 TN Board 2 Water Try to Answer [Pages 74 - 76]
List out some other benefits of rain water harvesting.
fill in the blanks.
Unscramble the words and fill in the blanks.
- ondencsaonti ______
- vaeionorpat ______
- ecippitatrino ______
See the given pictures and write down the state of each object. (Solid, Liquid, Gas)
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 |
 |
 |
 |
| _____ | ______ | ______ | ______ | ______ |
 |
 |
 |
 |
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| ______ | _______ | ______ | ______ | ______ |
Why water is a good example for all states of matter?
Discuss with your friends.
Rain water harvesting has an important role to protect our environment.
Fill water in an ice tray and keep it in the freezer.
After few hours, take it out. What happened to the water?
What happens to the water in a wet cloth?
Choose the correct answer.
In the water cycle _____
only evaporation is involved
only condensation is involved
evaporation and condensation are involved
Choose the correct answer.
Water is the most ________ resource on the Earth.
precious
solid
gas
Water exists in ____ states.
two
three
four
At temperature below _______ water freezes to form ice.
10º C
100º C
0º C
______ is the process by which water becomes water vapour.
Condensation
Evaporation
Freezing
Which controls the ecological functions of life?
Bicycle
Water cycle
Recycle water
Suggest some ideas to save rainwater in your school.
Is water cycle important for farming? _______
Fill in the boxes given below with correct answers.
(Liquid, Solid, Melting, Freezing, Cooling, Heating, Gas)
Change of Status in water
Now keep this ice tray on a table for some time.
What happens to the ice?
Which of the following is in a liquid state?
Rain
Ice
Snow
Fill in the blanks with suitable answer.
Water is converted into _______ when it is heated
ice cube
water vapour
Water becomes ice on ______.
heating
Freezing
Water droplets Combines to forms _____.
rain
clouds
Water cycle increases the availability of _______.
water tank
ground water
_____ is a type of rainwater harvesting.
Roof top harvesting
Watercycle
Why is water cycle important to human?
Write any two water bodies in your area. ____, ____.
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Write True or False.
Water is a good example for all states of matter.
True
False
Water cycle controls Earth‛s temperature.
True
False
Water becoming water vapour on heating is called evaporation.
True
False
37% of our brain‛s mass consists of water.
True
False
Roof top harvesting method is used in the agriculture field.
True
False
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
Answer briefly.
Write the states of water.
What is freezing?
Name the processes involved in the water cycle.
Which state government made rain water harvesting mandatory in the year 2001?
What is needed to construct a rain water harvesting pit?
Answer in detail.
What is water cycle? Write any three importances of water cycle.
What is rain water harvesting? List out the advantages of rain water harvesting.
Colour the given picture and write the correct name in the given blanks.
(Precipitation, Evaporation, Condensation, Water storage)
Solutions for 2: Water
![Samacheer Kalvi solutions for Science - Term 2 [English] Class 4 TN Board chapter 2 - Water - Shaalaa.com](/images/science-term-2-english-class-4-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science - Term 2 [English] Class 4 TN Board chapter 2 - Water")
Samacheer Kalvi solutions for Science - Term 2 [English] Class 4 TN Board chapter 2 - Water
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Concepts covered in Science - Term 2 [English] Class 4 TN Board chapter 2 Water are Water: Our Lifeline, The Solid State, Change in State of Water, Water Cycle, Fresh Water Management.
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