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प्रश्न
Would the cap of a plastic bottle sink or float on water?
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उत्तर
The cap of a plastic bottle would float on water as it is lighter than water.
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संबंधित प्रश्न
Have you seen that something floats on water while others sink?
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 ______
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 |
Could you see the salt after it dissolved in water? If no, why?
What difference did you see - in the water with salt, and
the water with chalk powder - after keeping for some time?
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?
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.
Why did Chittibabu and Chinnababu keep their mango jelly in the sun?
