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प्रश्न
Glass jars and bottles are dried well in the sun before filling them with pickles. Why is this done? Do you remember what happened to the bread in the experiment?
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उत्तर
Glass jars and bottles are dried well in the sun to remove any moisture. In the experiment with bread, the bread got spoiled because of moisture and fungus grew on it.
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 | ______ | ______ | ______ |
Look at your friend’s list and discuss in the class.
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?
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. | ||||
Find out the reason for these changes. From where did the fungus come on the bread?
Make a list of all the different types of pickles that you know about, and share with your friends.
How are these things made in your house?
- Papad
- Chutney
- Badiyan
- Sauce
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?
