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प्रश्न
Which is heavier? One kilogram cotton or one kilogram iron?
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उत्तर
Both have equal weight, and both are equal.
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संबंधित प्रश्न
Now, you also make your own balance. Write down how you made it. Also draw a picture of your balance in the box below.
Mannu and Jaiju put a pencil and geometry box in the two pans of the balance. Which pan will go down? Why? Draw a picture to show it.
Make groups of three things. For example - eraser, ball and paper. Use the balance to arrange them in order of weight-the lightest, the one with in-between weight, the heaviest.
Complete the table with at least five examples.
| Lightest | In-between weight | Heaviest |
| Paper | Eraser | Ball |
Take a small plastic packet.
Put it in one pan of the balance. Put the soap in the other pan. Slowly add sand to the packet till the pans are balanced.
Close the packet with a rubber band or string. Now stick a strip of paper and write ‘ g’ on it.
If you put the soap and the weight you just made together in a pan, how many grams will both these weigh?
Use your weights to weigh different things and write in your notebook.
Ritu is weighing her toys. She wants to know if her tractor is heavier than her car. How would you help her to find out quickly?
Which is the heaviest thing you have seen?
Now you show how Abdu will use these stone pieces to weigh —
7 kg of firewood.
Have you ever been to a post office?
