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प्रश्न
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 |
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उत्तर
Do it yourself.
APPEARS IN
संबंधित प्रश्न
Ayesha put a puffed puri in a bowl of water. Would it sink or float?
Would the cap of a plastic bottle sink or float on water?
Have you seen that something floats on water while others sink?
Does that mean that now the water does not have salt? If it has, then where is the salt?
Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder?
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?
You have washed your handkerchief and you want to dry it quickly. What all can you do?
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 ______
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?
