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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
The donkey is trying to look for different ways to add up to 1 liter. Help him complete the chart.
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 |
Ramu got an empty 250 mL coconut oil bottle. Look at the picture and discuss what he did to make his big measuring bottle.
Yusuf runs a tea shop. For making a glass of tea he uses 20 mL of milk. Yesterday he made 100 glasses of tea. How much milk did he use?
Find out how much water is wasted in a day?
- In a week?
- In a month?
- In a year?
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What are Naima and Jeetu doing?
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.
Aneesh got a 
jug.
Do you think it is easier to pour into a 
glass from a jug than a bucket?
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 |
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______ |
| ______ | ______ |
| ______ | ______ |
Anil is a milkman. He gives the same amount of milk at Rani's house every day. He uses a 
mug three times to fill Rani's milk pot 
.
One day Rani's mother gave her a different 
pot to take milk. Every day Rani's pot would fill to the top. But today Rani found that the pot 
was not filled completely.
Do you think Anil has given Rani less milk? Help her.
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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