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Question
How much do we use at a time?
| Eye drops | We use less than 1 mL at a time. |
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Solution
| Eye drops | We use less than 1 mL at a time. |
| Cough syrup | We use 5 mL at a time. |
| Tea | We use about 40 mL at a time. |
| Milk | We take about 200 mL at a time. |
| Water | We drink about 250 mL at a time. |
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RELATED QUESTIONS
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 | ||
Look what Adithyan is saying.
How much water does his small bottle hold?
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 | ||
Find out how much water is wasted in a day?
- In a week?
- In a month?
- In a year?
If Jeetu pours one more glass of water his jug will be around ______ full.
Select the one which holds more water.
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.
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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Guess and then find out:
How many mugs of water do you use to take a bath?
