🌍 Energy Resources

Class 6 – Geography – Chapter 9

Maharashtra Board | Textbook Solutions

Question A.

What resource will have to be used for the following work?

1️⃣ Rohan wants to fly a kite.
✅ Answer: Wind

2️⃣ People in an Adivasi hamlet have to be protected from the cold.
✅ Answer: Wood

3️⃣ Cooking on a picnic.
✅ Answer: Wood, coal, etc.

4️⃣ Salma wants to iron her clothes.
✅ Answer: Electricity

5️⃣ Starting a railway engine.
✅ Answer: Coal, electricity, diesel

6️⃣ Heating water for a bath.
✅ Answer: Electricity, coal, wood, biogas, etc.

7️⃣ After sunset, making light available inside the house.
✅ Answer: Electricity, oil (kerosene), etc.

Question B. Answer the following questions.

1️⃣ Which energy resource does man use the most? Why?

✅ Answer:

  • Man uses coal the most.
  • This is because coal is easily available and found in large quantities.

2️⃣ Why are energy resources needed?

✅ Answer:

  • Energy resources are needed to meet our daily needs.
  • They are used for cooking food, heating water, running machines, and driving vehicles.

3️⃣ Why do we need to use environment-friendly energy resources?

✅ Answer:

  • The use of fuels like coal and petrol causes pollution.
  • Pollution disturbs the balance of nature and harms living beings.
  • Therefore, we should use environment-friendly energy resources to protect nature.

Question C. Explain the differences using the given points

(Availability, environment-friendliness, advantages and drawbacks)

1️⃣ Mineral Oil and Solar Energy

PointsMineral OilSolar Energy
AvailabilityLimitedUnlimited
Environment-friendlinessNot environment-friendlyEnvironment-friendly
Advantages / DrawbacksCauses pollutionPollution-free energy

2️⃣ Hydel Power and Geothermal Power

PointsHydel PowerGeothermal Power
AvailabilityComparatively limitedAvailable at specific places
Environment-friendlinessEnvironment-friendlyComparatively less environment-friendly
Advantages / DrawbacksLow cost of electricity generationHigh cost of electricity generation
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