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प्रश्न
Do you want to know how the water in the 
pitcher came up?
Take two 
glasses of the same size.
Fill half of each glass with water.
You have to put tamarind (imli) seeds in the first glass to raise the
water to the top. Guess how many seeds you will need to put in.
Now, do it. Count the number of seeds used.
Now put the same number of marbles in the second glass.
What happens?
Repeat it with stones.
What happens now? Why?
Talk about it in the class.
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उत्तर
Children will have to do this activity on their own.
APPEARS IN
संबंधित प्रश्न
Do you like kheer? What do you call it at home?
Have you seen a one-liter water bottle?
Collect a 1-liter bottle and some other small bottles. Guess how many times you have to pour from each of the small bottles to fill the liter bottle.
Check if your guess is correct and fill the table.
| Bottles | My guess | My measure |
| Bottle 1 | ||
| Bottle 2 | ||
| Bottle 3 | ||
How many liters of water does your family use in a day? Guess and fill in this table.
| Activity | Water used (in buckets) |
Water used (in liters) |
| Cooking and drinking | ||
| Washing clothes | ||
| Cleaning pots, pans | ||
Naima thinks she will have to pour around 3 glasses of water to fill the jug. What do you think?
If Jeetu pours one more glass of water his jug will be around ______ full.
Naseem had to fill her bottle 16 times from the tap. But Abdul had to fill his bottle only 8 times.
Why did Naseem go more times than Abdul?
You will need
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| Half a lemon | A pinch of salt | One spoon of sugar | One glass of water |
How to make it:
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⇒ |  |
⇒ |  |
⇒ |  |
Guess and then find out:
- How many drops of lemon juice do you get from
half a lemon? - How many drops of lemon juice do you get from
a full lemon? - How many drops of lemon juice fill one
spoon?
Sunaina and Jaspreet brought different vessels from the kitchen. They had a 
jug, a 
glass, a 
mug, a 
pot and a 
bowl.
They filled each of these with a 
cup.
 |
 |
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- Guess which vessel holds the least water.
- Which vessel holds the most water?
Now, you collect different vessels from your kitchen.
Use the same cup to fill each of them.
Count the number of cups of water each of them can hold.
First guess and then do it.
| The vessel you used | Cups of water to fill it |
|
______ |
| ______ | ______ |
| ______ | ______ |
Take five different types of big vessels from your kitchen.
Fill all of them one by one with one jug full of water.
What do you see? Why?
Talk to your friends about it.
Find out how much water (in mugs or buckets) is used in your house for each of the following.
 |
 |
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| ______ | ______ | ______ | ______ |
