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प्रश्न
How much water do you think we waste through a leaking tap?
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उत्तर
I think about 50 litres of water is wasted through a leaking tap everyday.
APPEARS IN
संबंधित प्रश्न
Look at these pictures. Now look for some other things we get in packets or bottles like these. Make your own list.
 |
 |
 |
 |
 |
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| Packet | How many mL or L? |
| Milk | 500 mL |
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 | ||
Then how much water does Leela's bottle hold?
Find your own way to make a bottle which can measure 200 mL, 400 mL, 600 mL, 800 mL and 1 litre. Discuss with your friends and teacher how you made this.
Radha's grandma was ill. The doctor gave her a bottle with 200 mL of medicine. She has to take the medicine every morning for 10 days.
How many milliliters of medicine does she have to take every morning?
Get a 1 litre bottle (can be an empty bottle of water, oil etc.). Now collect some bottles and a mug, jug, glass, bowl, etc. at your house. Use the 1 litre bottle to check which of these holds more than 1 litre and which one holds less than 1 litre. Make a small drawing if you like.
| Less than 1 litre | More than 1 litre |
| bowl | big cooking pot |
Now look at the buckets in your house.
Guess how many litres of water they can hold.
Use a 1 litre bottle and check if your guess is right for all the buckets.
| Bucket | My guess | My measure |
| Bucket 1 | ||
| Bucket 2 | ||
| Bucket 3 |
You will need
 |
 |
 |
 |
| 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?
There is a fair in Chaitra's village. Chaitra, Nazim and Aneesh want to put up a stall to sell lemon drink. They make a 
bucket full of lemon drink.
They use two 
different sizes of glasses.
Nazim found that two big 
glasses fill the 
jug.
Shabnam wants to buy one jug full of lemon drink.
How much does she need to pay?
How much water will fill a balloon?
