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प्रश्न
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?
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उत्तर
The drop of water went ahead slide faster. Drops of oil or sugar syrup stick to the tiffin box.
APPEARS IN
संबंधित प्रश्न
You put a steel plate on water. Would it sink or float? What would happen to a spoon?
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 |
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| Iron nail or pin | ||
| Matchstick | ||
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Aluminum foil (from medicine packing)
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| A piece of ice |
What do you think, the lemon floated in salty water, because ______
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Does that mean that now the water does not have salt? If it has, then where is the salt?
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Find out from the other groups which things floated and which sank in the water?
After doing the experiment, fill in the blanks.
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Why did Chittibabu and Chinnababu keep their mango jelly in the sun?
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?
