हिंदी

On Sunday Ayesha’s cousin, brother Hamid came to her house to play. As soon as he came he asked his aunt to make his favourite shakkarpara (a sweet dish).

Advertisements
Advertisements

प्रश्न

On Sunday Ayesha’s cousin, brother Hamid came to her house to play. As soon as he came he asked his aunt to make his favourite shakkarpara (a sweet dish). Ammi said, “Let me come back from the market, then I will make some for you. Why don’t you help me? Take two glasses of water and put a bowl of sugar in it. Mix it till it dissolves.” Hamid thought, “Let me finish this work fast. Then I will watch TV”.

Suggest some ways to Hamid for quickly dissolving sugar.

टिप्पणी लिखिए
Advertisements

उत्तर

Hamid should follow any of these methods:

  1. Stir the mixture thoroughly.
  2. Warm the mixture over a flame.
shaalaa.com
Experiments with Water
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Experiments with Water - Experiments with Water [पृष्ठ ६३]

APPEARS IN

एनसीईआरटी Environmental Studies - Looking Around [English] Class 5
अध्याय 7 Experiments with Water
Experiments with Water | Q 4 | पृष्ठ ६३

संबंधित प्रश्न

Would the cap of a plastic bottle sink or float on water?


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

After doing the experiment, fill in the blanks.

The iron nail ______ in water but the katori ______. I think this happened because ______ 


Take some water in a glass. Put a lemon in it. Now keep putting salt in the water, half-a-spoon at a time. Were you able to float your lemon in water?


Make groups of four friends. For the experiment, you will need 4-5 glasses or bowls, spoons, water, and the things listed in the table. Take some water in each glass. Now try to dissolve one thing in one glass. Observe what happens and note it in the table.

Things Did it dissolve or not? What happened after keeping for 2 minutes?
1. Salt ______ ______
2. Soil ______ ______
3. Chalk powder ______ ______
4. 1 spoon milk ______ ______
5. Oil ______ ______

What difference did you see - in the water with salt, and
the water with chalk powder - after keeping for some time?


Do you think the oil got dissolved in the water? Why do you think so?


Ayesha put two drops of oil on the lid of her tiffin box. Next to that, she put two drops of water and two drops of sugar solution. She tilted the lid. She saw some drops slid down quickly, while some were left behind.

You also try to do the same and then tell - which drop went ahead? Why did it slide faster? 


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?


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 ______ 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×