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प्रश्न
Make pairs of different things and use the balance to decide which is heavier. First guess which thing will take the pan down and then check with your balance.
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उत्तर
The pairs are :
- Socks and trouser - Trouser is heavier.
- Toothbrush and toothpaste - toothpaste is heavier.
- Glass and spoon - Glass is heavier.
- Dictionary and notebook - Dictionary is heavier
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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.
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.
Which pan of the balance will go down? Show by drawing an arrow.
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Is the weight on any of the pans equal to 1 kilogram? Mark it.
Guess and write the weight of each thing he bought - in g or kg.
| Items | Weight |
| Rice | 5 |
| Sugar | 1 |
| Mustard seeds | 10 |
| Wheat | 3 |
| Dal | 500 |
| Tea | 250 |
| Pepper | 25 |
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?
Now imagine what happened next and complete the story. Discuss with your friends how Vaidika’s daughter found the weight of the elephant.
What different things do people go there for?
All oranges have equal weight. The two papayas have the same weight. The weights in the first and second balances are equal.
How many oranges balance the weight in the third?
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