8TH CLASS NATURAL RESOURCES AND THEIR USES

 Class VIII L-1 _SOCIAL SCIENCE_

 NATURAL RESOURCES AND THEIR USES 

Q1. What can make what is today a renewable resource non-renewable tomorrow? Describe some actions that can prevent this from happening.

Ans:  Renewable Resource Becoming Non-Renewable:

1. *Over-exploitation*: Excessive use beyond sustainable limits.

2. *Pollution*: Contamination of resources, making them unusable.

3. *Climate Change*: Altering ecosystems and resource availability.

Preventive Actions:

1. *Sustainable Management*: Implement responsible resource extraction and use practices.

2. *Conservation Efforts*: Protect and restore ecosystems.

3. *Renewable Energy*: Transition to renewable energy sources.

4. *Waste Reduction*: Minimize waste and pollution.

5. *Education and Awareness*: Promote sustainable practices and resource conservation.

By taking these actions, we can help ensure that renewable resources remain sustainable for future generations.

Q2. Name five ecosystem functions that serve humans

Ans: Ecosystem Functions Serving Humans:

1. *Water Purification*: Ecosystems filter and purify water, making it safe for human consumption.

2. *Soil Formation*: Ecosystems create and maintain fertile soil, supporting agriculture and food production.

3. *Climate Regulation*: Ecosystems help regulate the climate, mitigating the effects of extreme weather events.

4. *Pollination*: Ecosystems support pollinators, enabling plant reproduction and food production.

5. *Waste Decomposition*: Ecosystems break down organic waste, reducing pollution and maintaining ecosystem health.

These ecosystem functions are essential for human well-being and sustainability.

Q3. What are renewable resources? How are they different from non-renewable ones? What can people do to ensure that renewable resources continue to be available for our use and that of future generations? Give two examples. 

Ans: Renewable Resources:

Renewable resources are natural resources that can be replenished or restored naturally over time, such as sunlight, wind, water, and forests.

Difference from Non-Renewable Resources:

Non-renewable resources, like fossil fuels, are finite and will eventually run out.

Ensuring Availability:

1. *Sustainable Use*: Use resources at a rate that allows them to replenish.

2. *Conservation*: Protect and restore ecosystems.

Examples:

1. *Solar Energy*: Harness sunlight for energy.

2. *Sustainable Forestry*: Manage forests to maintain their health and productivity.

Q4. Identify cultural practices in your home and neighbourhood that point to mindfulness in the use of natural resources. 

Ans : Cultural Practices:

1. *Water Conservation*: Using water judiciously and harvesting rainwater.

2. *Planting Trees*: Celebrating festivals like Van Mahotsav and Harela to promote greenery.

3. *Reducing Waste*: Practicing recycling and composting.

4. *Sustainable Food*: Using locally sourced and seasonal produce.

5. *Respect for Nature*: Observing rituals that honor natural elements like rivers and trees.

These practices promote mindfulness and sustainability in the use of natural resources.

Q5. What are some considerations to keep in mind in the production of goods for our current use?

Ans . Considerations:

1. *Sustainability*: Use resources that can be replenished.

2. *Environmental Impact*: Minimize pollution and waste.

3. *Resource Efficiency*: Optimize resource use to reduce waste.

4. *Durability*: Design products for longevity.

5. *Recyclability*: Design products for easy recycling.

These considerations promote responsible production and consumption practices.