Food spoils when microbes grow on it, changing its smell, taste and colour. Microbes need moisture, air and the right temperature to grow, which is why warm and moist food spoils faster. Class 5 Our Wondrous World – Health and Well-being ...
Category: Class 5 EVS
Class 5 EVS – Environmental Studies, Textbooks: Our Wondrous World and Looking Around for Session 2025-26.
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Microbes need three things to grow — moisture, air and the right temperature. Removing any one of these, through drying, sealing or cooling, can stop or slow down their growth. Class 5 Our Wondrous World – Health and Well-being – Chapter ...
It means that all living things, including microbes, plants, animals and humans, cannot live without water and air. These are essential for breathing, growth and carrying out life processes. Class 5 NCERT EVS Our Wondrous World Chapter 3 The Mystery of ...
We can save food from spoilage by drying, refrigeration, adding oil or salt and storing it in airtight containers. These methods stop microbes from getting moisture, air or warmth needed to grow. Class 5 NCERT EVS Our Wondrous World Chapter 3 ...
Other dried foods include papads, fish, grapes (to make raisins), spices and pulses. Drying removes moisture, which prevents microbes from growing, keeping the items fresh and safe for long-term storage. Class 5 NCERT EVS Our Wondrous World Chapter 3 The Mystery ...