Substances that dissolve in water include salt, sugar and lemon juice. Items that do not dissolve include oil, plastic, sand and rubber. Knowing this helps us understand water pollution and purification. Class 5 EVS Our Wondrous World Unit 1: Life Around ...
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Sugar dissolves in water and makes the glass look clear. Oil does not mix; it floats on the surface. This shows that some substances dissolve in water, while others do not. Class 5 EVS Our Wondrous World Unit 1: Life Around ...
Water shortage causes drought, crop failure and migration. Excess water leads to floods, destroying homes and lives. Both are dangerous and disturb daily life, affecting health, food supply and the environment. Class 5 EVS Textbook Our Wondrous World Chapter 2 Journey ...
If water runs out for long, people and animals may leave their homes. Crops fail, jobs stop and life becomes hard. Diseases may spread and some areas may become unlivable due to drought. Class 5 EVS Textbook Our Wondrous World Chapter ...
Without water for a week, I’d depend on bottled or public tap water. Bathing would be limited. I’d reuse water, collect rainwater if possible and seek help from authorities or neighbours. Class 5 NCERT EVS Our Wondrous World Chapter 2 Journey ...