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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 | ______ | ______ | ______ |
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?
Why was sugar and jaggery mixed into the mango pulp and dried in the sun?
Why did Appa first choose the most ripe mangoes to be used for making the mamidi tandra?
What things are made in your house from ripe and unripe mangoes?
What all things are needed to make any one type of pickle in your house? How is the pickle made? Find out the recipe and write.
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?
