ЁЯМН Class 8 Social Science – Chapter 1
ЁЯМ▒ Natural Resources and Their Use | Amresh Academy
ЁЯУМ Page 1 – The Big Questions
1. How do we categorise natural resources?
ЁЯСЙ On the basis of use:
- ЁЯМм️ Essential for life → Air, Water, Soil
- ЁЯк╡ Materials → Wood, Metals
- ⚡ Energy → Coal, Sunlight
ЁЯСЙ On the basis of renewability:
- ♻️ Renewable → Solar, Wind
- ❌ Non-renewable → Coal, Petroleum
2. What is the connection between the distribution of natural resources and different aspects of life?
ЁЯСЙ Effects:
- ЁЯПа People settle where resources are available
- ЁЯПн Industries develop near resources
- ЁЯЪв Trade increases between regions
- ⚔️ Conflicts may occur (water, minerals)
3. What are the implications of unsustainable use / over-exploitation of natural resources?
- ЁЯМл️ Pollution
- ЁЯР╛ Loss of biodiversity
- ЁЯМб️ Climate change
ЁЯСЙ Example:
- ЁЯТз Overuse of groundwater → wells dry
- ЁЯМ│ Deforestation → loss of wildlife
ЁЯУМ Page 4
What might be the different criteria we can use to categorise natural resources?
ЁЯСЙ 1. Based on use:
- ЁЯМм️ Life → air, water
- ЁЯк╡ Materials → wood, metals
- ⚡ Energy → coal, sunlight
ЁЯСЙ 2. Based on renewability:
- ♻️ Renewable → forests, wind
- ❌ Non-renewable → coal, oil
ЁЯСЙ 3. Based on origin:
- ЁЯМ▒ Biotic → plants, animals
- ЁЯки Abiotic → minerals
ЁЯУМ Page 11
1. What do you think are the different inputs required to enable the use of the natural resources available in different geographical areas?
- ⚙️ Technology
- ЁЯС╖ Skilled workers
- ЁЯЪЫ Transport
- ЁЯТ░ Money
- ЁЯПЫ️ Government policies
- ЁЯСе Community support
- ЁЯМ▒ Environmental protection
ЁЯСЙ All these help in safe & proper use of resources
ЁЯУШ Questions and Activities
1. What can make what is today a renewable resource nonrenewable tomorrow? Describe some actions that can prevent this from happening.
ЁЯСЙ Answer:
♻️ Renewable becomes non-renewable when:
- ЁЯМ│ Trees cut faster than they grow
- ЁЯТз Water used faster than recharge
- ☣️ Pollution damages resources
ЁЯСЙ Prevention:
- ЁЯМ▒ Plant more trees
- ЁЯТз Save water
- ЁЯЪп Reduce pollution
- ☀️ Use renewable energy
- ЁЯУЬ Follow laws
2. Name five ecosystem functions that serve humans
ЁЯСЙ Answer:
ЁЯМН Important ecosystem functions:
- ЁЯМ│ Trees give oxygen
- ЁЯТз Forests clean water
- ЁЯРЭ Pollination helps crops
- ЁЯМ╛ Soil supports farming
- ЁЯМК Mangroves protect coasts
3. 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? Give two examples.
ЁЯСЙ Answer:
ЁЯСЙ Protection methods:
- ЁЯМ▒ Plant trees
- ЁЯТз Save water
- ⚡ Use clean energy
4. Identify cultural practices in your home and neighbourhood that point to mindfulness in the use of natural resources.
ЁЯСЙ Answer:
ЁЯПб Examples:
- ЁЯМ┐ Tulsi worship
- ЁЯТз Rainwater collection
- ЁЯМ╛ Organic farming
- ЁЯМ│ Sacred groves
- ЁЯОЙ Eco-friendly festivals
5. What are some considerations to keep in mind in the production of goods for our current use?
ЁЯСЙ Answer:
⚠️ Important points:
- ♻️ Use renewable resources
- ❌ Save non-renewable resources
- ЁЯМН Reduce pollution
- ⚖️ Fair distribution
- ЁЯСиЁЯСйЁЯСз Future generation care
⚡ Very Short Answer Type Questions
1. What is a regenerative economy?
2. When do elements of Nature become ‘resources’?
3. What three conditions must an entity meet to be called a resource?
4. Name three obvious natural resources mentioned in the chapter.
5. Name two categories of natural resources based on their uses.
ЁЯСЙ Answer:
- ЁЯМм️ Essential for life
- ЁЯк╡ Materials
6. List three natural sources of energy.
7. Define renewable resources.
8. What is restoration in the context of nature?
9. What is regeneration according to the book?
10. Give two examples of renewable resources.
11. What are non-renewable resources?
12. Name two non-renewable resources.
13. What is the ‘natural resource curse’?
14. What are ecosystem services?
15. Approximately how much oxygen does a mature tree produce per day?
ЁЯза Short Answer Type Questions
1. What is a “regenerative economy”?
- Reuses resources
- Reduces waste
- Protects nature
2. Explain when an element of nature becomes a resource.
3. What are the three essential criteria for a resource?
4. Describe restoration in nature.
5. Difference between ecosystem function & service?
6. What is natural resource curse?
7. Why is groundwater depletion serious in India?
8. How did Green Revolution cause problems?
9. What are ecosystem services? Give two examples.
10. What is Vrikshayurveda?
ЁЯз╛ Long Answer Type Questions
1. Define natural resources and conditions
2. Categorisation based on use
ЁЯСЙ Answer:
- ЁЯМм️ Life → air, water
- ЁЯк╡ Materials → wood
- ⚡ Energy → coal
3. Renewable vs Non-renewable
ЁЯСЙ Answer:
♻️ Renewable:
- Can renew
- Example: solar
❌ Non-renewable:
- Cannot renew
- Example: coal
ЁЯСЙ Condition: Use carefully
4. Nature’s principle of restoration & regeneration
5. Effects of uneven distribution
ЁЯСЙ Answer:
- ЁЯПа Settlement changes
- ЁЯЪв Trade increases
- ⚔️ Conflicts
- ЁЯПн Industry growth
- ЁЯМН Disputes (rivers etc.)
