Advertisements
Advertisements
Question
Now, you also make your own balance. Write down how you made it. Also draw a picture of your balance in the box below.
Advertisements
Solution
To make a balance, I took a strong stick of suitable length, two pans, and strong thread. Pans are tied on both the end of the stick. A hole is made in the middle of the stick and it is tied with a thread. Now my balance is ready.
APPEARS IN
RELATED QUESTIONS
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.
Get a new cake of soap. The packet will have the weight written on it. You can use this soap to make your own different weights.
The soap weighs grams(g).
Which pan of the balance will go down? Show by drawing an arrow.
 |
 |
 |
 |
 |
 |
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 you show how Abdu will use these stone pieces to weigh —
4 kg of firewood -
How much does a postcard cost?
| Postal Rates |
| Postal Items | Postal Rates (in Rs.) |
| Single Post Card | 0.50 |
| Printed Post Card | 6.00 |
| Inland Letter | 2.50 |
|
Letter weighing - i) 20 grams or less ii) For every additional 20 grams |
5.00 2.00 |
|
Parcel weighing - i) 50 grams or less ii) For every additional 50 grams |
5.00
3.00 |
How much will you have to pay for stamps on a letter weighing 50 grams?
There are 3 marbles of the same size but one marble is slightly heavier or lighter than the other two. Can you find which is that marble and if it is heavier or lighter? You can use a balance only two times.
