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Minerals and Energy Resources
Describe the importance of minerals in our lives.
Minerals are an indispensable part of our lives.
(i)Almost everything we use, from a tiny pin to a towering building or a big ship, all are made from minerals.
(ii)The railway lines and the tarmac (paving) of the roads, our implements and machinery too are made from minerals. Cars, buses, trains, aeroplanes are manufactured from minerals and run on power resources derived from the earth.
(iii)Even the food that we eat contains minerals. In all stages of development, human beings have used minerals for their livelihood, decoration, festivities, religious and ceremonial rites.
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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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