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One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and - Environmental Studies

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प्रश्न

One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and came to check, she found very little water left in the pan.

Think where did the water go?

एक पंक्ति में उत्तर

उत्तर

The water evaporated and turned into vapour.

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Experiments with Water
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Experiments with Water - Experiments with Water [पृष्ठ ६५]

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एनसीईआरटी Environmental Studies - Looking Around [English] Class 5
अध्याय 7 Experiments with Water
Experiments with Water | Q 8.1 | पृष्ठ ६५

संबंधित प्रश्न

You put a steel plate on water. Would it sink or float? What would happen to a spoon?


Have you seen that something floats on water while others sink?


Do this experiment in groups of four friends. Each group will need a big pot filled with water and the things listed on the table. Put each thing one by one in water and observe. Write your observations in the table given below.

Mark [✓] for the things that float. Mark [×] for those that sink. 

Things to be put in water I guessed before I did it I saw when I did it
  1. Empty bowl (Katori)
  2. After putting in 6-7 small pebbles, one-by-one
   
Iron nail or pin    
Matchstick    
  1. Empty plastic bottle with its lid closed.
  2. bottle half-filled with water
  3. A bottle full of water
   

Aluminum foil (from medicine packing)

  1. open and spread out
  2. pressed tightly into a ball
  3. in a cup-like shape 
   
  1. Soap cake
  2. Soap cake on a small plastic plate
   
A piece of ice    

What do you think, the lemon floated in salty water, because ______ 


Could you see the salt after it dissolved in water? If no, why?


Does that mean that now the water does not have salt? If it has, then where is the salt?


You have been given some mishri pieces (lumps of sugar). Suggest some ways to dissolve them quickly.


Find out from the other groups which things floated and which sank in the water?

After doing the experiment, fill in the blanks.

The empty plastic bottle ______ on water. The bottle filled with water ______ because ______ 


Find out from the other groups which things floated and which sank in the water?

After doing the experiment, fill in the blanks.

The aluminium foil ______ when it was spread out. When pressed tightly into a ball it ______. This may have happened because ______ 


One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and came to check, she found very little water left in the pan. 

At your house, what things are made by drying in the sun? 


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