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What kinds of soaps, shampoos or floor cleaners (natural or readymade) are used in your home? Where does the unclean water mixed with these cleaners go?
In many homes, we use readymade soaps, shampoos and floor cleaners that contain chemicals. The dirty water from baths and cleaning is usually flushed down drains. If this wastewater is not treated properly, it reaches rivers and pollutes them. It can harm fish and other aquatic life. Using eco-frienRead more
In many homes, we use readymade soaps, shampoos and floor cleaners that contain chemicals. The dirty water from baths and cleaning is usually flushed down drains. If this wastewater is not treated properly, it reaches rivers and pollutes them. It can harm fish and other aquatic life. Using eco-friendly products and better sewage treatment can help protect rivers from this pollution.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/evs/
See lessAsk your parents or elders, about the condition of water bodies near your home when they were your age. What is the status of those water bodies today?
Parents or grandparents might recall rivers and lakes being cleaner, with clear water and more fish. Children played near them and people bathed or washed clothes. Today, many such water bodies are polluted, dried up or filled with garbage. This change is due to urbanisation, plastic waste, sewage dRead more
Parents or grandparents might recall rivers and lakes being cleaner, with clear water and more fish. Children played near them and people bathed or washed clothes. Today, many such water bodies are polluted, dried up or filled with garbage. This change is due to urbanisation, plastic waste, sewage dumping and reduced rainfall. Reviving them needs effort in cleaning and protecting local water sources.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/evs/
See lessTake two clear glasses of water. Add a spoonful of sugar in one and a spoonful of cooking oil in the other. Stir both well and observe. What do you observe? Which one appears clear?
When sugar is stirred into water, it dissolves completely and the water remains clear. But when cooking oil is stirred into water, it separates and floats. This shows that water can dissolve some substances, like sugar and salt, while others, like oil and plastic, do not dissolve. This property of wRead more
When sugar is stirred into water, it dissolves completely and the water remains clear. But when cooking oil is stirred into water, it separates and floats. This shows that water can dissolve some substances, like sugar and salt, while others, like oil and plastic, do not dissolve. This property of water is important in understanding pollution and how different materials behave in water bodies.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/evs/
See lessMake a list of things that we throw into the waste bin at home or school. If these things were thrown into a river or a pond, how would each of these items harm the animals, plants and people who live nearby and use this water?
Items like plastic, paper, cans, food waste and chemicals are thrown into dustbins. If they enter rivers, plastic can trap fish and birds. Food waste rots and pollutes water, reducing oxygen for aquatic life. Chemicals from batteries or cleaners poison water and living beings. Even things like clothRead more
Items like plastic, paper, cans, food waste and chemicals are thrown into dustbins. If they enter rivers, plastic can trap fish and birds. Food waste rots and pollutes water, reducing oxygen for aquatic life. Chemicals from batteries or cleaners poison water and living beings. Even things like clothes or packaging cause harm. Proper waste disposal is crucial to keeping water safe for nature and people.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/evs/
See lessCould you write some things dissolve in water and some do not?
Things like salt, sugar and some natural juices dissolve in water. Others, like oil, sand, plastic pieces and rubber, do not dissolve. These undissolved items can float, sink or pollute water bodies. Dissolved chemicals may remain hidden and harmful. This knowledge helps us understand how to treat pRead more
Things like salt, sugar and some natural juices dissolve in water. Others, like oil, sand, plastic pieces and rubber, do not dissolve. These undissolved items can float, sink or pollute water bodies. Dissolved chemicals may remain hidden and harmful. This knowledge helps us understand how to treat polluted water and protect animals and people who depend on clean water for survival.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/evs/
See less