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प्रश्न
The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti every day until you find some changes on it.
Make this table on chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen.
| Day | Changes in the bread or roti | |||
| By touch | By smell |
By looking through hand lens |
By colour | |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. | ||||
| 6. | ||||
उत्तर
Do it yourself.
APPEARS IN
संबंधित प्रश्न
Look in your kitchen and write down names of food items that
| can get spoilt in 2-3 days | ______ | ______ | ______ |
| can be kept for a week | ______ | ______ | ______ |
| would not spoil till one month | ______ | ______ | ______ |
Will your list be the same in all seasons? What would change?
When food gets spoilt in your house, what do you do with it?
Look carefully at two-three packets of food items:
What can we know from what is written on the packet?
Look carefully at two-three packets of food items:
When you buy anything from the market, what do you look for on the packet?
Find out the reason for these changes. From where did the fungus come on the bread?
How did the brothers make the mamidi tandra? Write down step-by-step what they did for this.
How are these things made in your house?
- Papad
- Chutney
- Badiyan
- Sauce
It is a two-day journey by train from Pune to Kolkata. If you were to go on this trip, what food items would you carry with you? How would you pack them? Make a list on the blackboard of all the packed food. What food would you eat first?
Aman’s Biji went to the market to buy bread. The shop was very crowded. The shopkeeper picked up a packet of bread and gave it to Biji. She looked at it and returned it immediately.
How did she find that the bread had got spoilt?
