After a dam is built, several problems may arise. Villages may be submerged, displacing people. Forests and wildlife are lost. Silt builds up in reservoirs and downstream areas may receive less water. Water-sharing conflicts between states can also occur. Solutions include fair rehabilitation of disRead more
After a dam is built, several problems may arise. Villages may be submerged, displacing people. Forests and wildlife are lost. Silt builds up in reservoirs and downstream areas may receive less water. Water-sharing conflicts between states can also occur. Solutions include fair rehabilitation of displaced people, planting new forests, periodic desilting, maintaining environmental flow and transparent planning with affected communities involved in decision-making.
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:
Plastic waste like wrappers and bags, when littered on streets or in open areas, often gets carried into rivers through drains and rainwater. This waste pollutes the river, harming fish, birds and animals who may eat or get trapped in it. It also degrades water quality and clogs flow. Reducing plastRead more
Plastic waste like wrappers and bags, when littered on streets or in open areas, often gets carried into rivers through drains and rainwater. This waste pollutes the river, harming fish, birds and animals who may eat or get trapped in it. It also degrades water quality and clogs flow. Reducing plastic use and proper disposal are essential to protect rivers and aquatic life.
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:
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:
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:
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:
What problems can arise after a dam is built. How can they be solved?
After a dam is built, several problems may arise. Villages may be submerged, displacing people. Forests and wildlife are lost. Silt builds up in reservoirs and downstream areas may receive less water. Water-sharing conflicts between states can also occur. Solutions include fair rehabilitation of disRead more
After a dam is built, several problems may arise. Villages may be submerged, displacing people. Forests and wildlife are lost. Silt builds up in reservoirs and downstream areas may receive less water. Water-sharing conflicts between states can also occur. Solutions include fair rehabilitation of displaced people, planting new forests, periodic desilting, maintaining environmental flow and transparent planning with affected communities involved in decision-making.
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 lessWhere do the plastic wrappers and bags that we litter end up?
Plastic waste like wrappers and bags, when littered on streets or in open areas, often gets carried into rivers through drains and rainwater. This waste pollutes the river, harming fish, birds and animals who may eat or get trapped in it. It also degrades water quality and clogs flow. Reducing plastRead more
Plastic waste like wrappers and bags, when littered on streets or in open areas, often gets carried into rivers through drains and rainwater. This waste pollutes the river, harming fish, birds and animals who may eat or get trapped in it. It also degrades water quality and clogs flow. Reducing plastic use and proper disposal are essential to protect rivers and aquatic life.
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 lessWhat 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 less