During a trip, we can keep food safe by packing dry items like biscuits or nuts and storing perishable items in airtight containers or cool boxes to slow microbial growth and prevent spoilage. Class 5 NCERT EVS Our Wondrous World Chapter ...
Category: Class 5 EVS
Class 5 EVS – Environmental Studies, Textbooks: Our Wondrous World and Looking Around for Session 2025-26.
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Oral hygiene prevents tooth decay, cavities and gum problems. Brushing, rinsing after meals and eating fewer sweets keep teeth healthy, ensuring we can chew food properly for good digestion and overall health. Class 5 NCERT EVS Our Wondrous World Chapter 3 ...
Three methods are drying, refrigeration and oiling. Drying removes moisture (e.g., chillies), refrigeration slows microbial growth (e.g., milk) and oiling blocks air (e.g., pickles), keeping food safe and fresh for longer periods. Class 5 EVS Textbook Our Wondrous World Chapter 3 ...
Some foods spoil quickly because they have more moisture, allowing microbes to grow. Others, like pickles or dried items, lack moisture or air, slowing microbial growth and lasting much longer without spoiling. Class 5 EVS Textbook Our Wondrous World Chapter 3 ...
Eating spoiled food can cause stomach upset, vomiting or food poisoning. Prevention includes proper storage, using preservation methods, eating fresh food and avoiding items with bad smell, colour or taste. Class 5 EVS Textbook Our Wondrous World Chapter 3 The Mystery ...