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Minerals and Energy Resources
‘Consumption of energy in all forms has been rising all over the country. There is an urgent need to develop a sustainable path of energy development and energy saving’. Suggest and explain any three measures to solve this burning problem.
Three measures which need to be taken to develop a sustainable path of energy development and energy saving are:
i. By judiciously using and conserving energy resources.
ii. By taking measures such as switching off electricity when not in use, using car pooling and travelling by public transport.
iii. By using non-conventional means of energy such as wind energy and solar energy.
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Distinguish between the following in not more than 30 words.
conventional and non-conventional sources of energy.
What is a mineral?
How are minerals formed in igneous and metamorphic rocks?
Why do we need to conserve mineral resources?
Describe the distribution of coal in India.
Why do you think that solar energy has a bright future in India?
Fill the name of the correct mineral in the crossword below:
Across:
1. A ferrous mineral (9)
2. Raw material for cement industry (9)
3. Finest iron-ore with magnetic properties (9)
4. Highest quality hard coal (10)
5. Aluminium is obtained from this ore (7)
6. Khetri mines are famous for this mineral (6)
7. Formed due to evaporation (6)
Down:
1. Found in placer deposit (4)
2. Iron-ore mined in Bailadila (8)
3. Indispensable for electrical industry (4)
4. Geological Age of coal found in north east India (8)
5. Formed in veins and lodes (3)
Why is mica used in toothpaste?
Which one of the following is the hardest mineral?
An accumulation of any mineral mixed with other element is described as
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