1. CLASS- 8TH GEOGRAPHY RESOURCES AND DEVELOPMENT

2. CH- 3 MINERAL AND POWER RESOURCES

3. POWER RESOUCES

4. General objectives
To help the students get acquainted with the environment and social institutions.
To enable the students to to develop the sense of belongingness.
To enable the students to respect all races and groups.
To enable the students to become participating citizens.
To enable the citizens to uphold democracy.
To enable the students to develop critical thinking and decision making ability.
To enable the students to develop social insight.

5. Specific objectives KNOWLEDGE
1.Students will be able to define “power resources”.
2.Students will be able to recognize importance of power resources.
COMPREHENSION
1.Students will be able to understand the concept of ‘power resources’.
2.Students will be ale to explain the importance of minerals.

6. APPLICATION
1.Students will be able to comment on power resources.
2.Students will be able to construct a broader view of power resources.
SKILL
1.Students will be able to analyze the importance of power resources.
2.Students will be able to point out the key facts of power resources.
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7. INTRODUCTION Power or energy plays a vital role in our lives.
We also need power for industry, agriculture, transport, communication and defense.
Power resources may be broadly categorized as conventional and non-conventional resources.
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8. CONVENTIONAL SOURCES
Conventional sources of energy are those which have been in common use for a long time.
Firewood and fossil fuels are the two main Conventional energy sources.

10. TYPES OF CONVENTIONAL SOURCES
FIREWOOD
COAL
PETROLEUM
NATURAL GAS
HYDEL POWER

11. 1. FIREWOOD
It is widely used for cooking and heating. In our country more than fifty per cent of the energy used by villagers comes from firewood.
Fossil fuel such as coal, petroleum and natural gas are the main sources of conventional energy. The reserves of these minerals are limited.

12. FIREWOOD Easy access Provides energy to large number of people.
ADVANTAGES
DISADVANTAGES
Easy access
Provides energy to large number of people.
Collection is time consuming.
Polluting
Promoting green house effect.
Deforestation.

13. 2. COAL
This is the most abundantly found fossil fuel. It is used as a domestic fuel, in industries such as iron and steel, steam engines and to generate electricity.
Electricity from coal is called thermal power.
The coal which we are using today was formed millions of years ago.
The coal producing areas of India are Raniganj, Jharia, Dhanbad and Bokaro in Jharkhand.

14. COAL Extensively available. Efficient conversion to electricity.
ADVANTAGES
DISADVANTAGES
Extensively available.
Efficient conversion to electricity.
Polluting source.
Bulky to transport.

15. 3. PETROLEUM
The petrol that keeps your car running as well as the oil that keeps your cycle from squeaking, both began as a thick black liquid called Petroleum.
It is found between the layers of rocks and is drilled from oil fields located in off-shore and coastal areas.
Petroleum and its derivatives are called Black Gold as they are very valuable.
The leading producers in India are Digboi in Assam, Bombay High in Mumbai and the deltas of Krishna and Godavari rivers.

16. PETROLEUM Easy to transport. Basis of petro-chemical industry.
ADVANTAGES
DISADVANTAGES
Easy to transport.
Basis of petro-chemical industry.
Depletion of oxygen due to oil spillage.
Pollutants released caused acid rain.
Exploration of new fuel is not easy.

17. 4. NATURAL GAS
Natural gas is found with petroleum deposits and is released when crude oil is brought to the surface. It can be used as a domestic and industrial fuel.
In India Jaisalmer, Krishna Godavari delta, Tripura and some areas off shore in Mumbai have natural gas resources.
The sharp increase in our consumption of fossil fuels has led to their depletion at an alarming rate.
The toxic pollutants released from burning these fuels are also a cause for concern.
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18. NATURAL GAS Easier to transport. Cleaner than oil and coal.
ADVANTAGES
DISADVANTAGES
Easier to transport.
Cleaner than oil and coal.
Cheaper than oil.
Depletion of oxygen due to oil spillage.
Pollutants released caused acid rain.
Exploration of new fuel is not easy.

19. 5. HYDEL POWER
Rain water or river water stored in dams is made to fall from heights. The falling water flows through pipes inside the dam over turbine blades placed at the bottom of the dam.
The water discharged after the generation of electricity is used for irrigation. One fourth of the world’s electricity is produced by hydel power.
Some important hydel power stations in India are Bhakra Nangal, Gandhi Sagar, Nagarjun sagar and Damodar valley projects.

21. HYDEL POWER Non- polluting Promotes irrigation and fishing. Cheap.
ADVANTAGES
DISADVANTAGES
Non- polluting
Promotes irrigation and fishing.
Cheap.
Displacement of local community.
Inundates low.
Expensive to set up.

22. conclusion
The multimedia lesson plan tells us about ‘Resources’ and its importance. The types of resources.
It is an essential part of we as a human being to conserve the resources, such that the coming generation can also utilize it to the best.

23. evaluation Define power resources.
How many types of power resources are there?
Name the places where power resources are found.
Why is it necessary to conserve power resources?
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24. references