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Mineral Resources - 1 Class 4 Worksheet SST

Q1: Fill in the blanks.

(i) _________ and ___________ are the famous coal mines.
Ans: Jharia coalfield and Dhanbad
Jharia coalfield is a large coal field located in the east of India in Jharia, Jharkhand. Jharia represents the largest coal reserves in India having estimated reserves of 19.4 billion tonnes of coking coal.
Dhanbad: One of the oldest in Jharkhand and the richest coalfields of India. It is the storehouse of the best metallurgical coal i.e. coking coal.

(ii) ___________ energy can be a good substitute for petroleum.
Ans: Plant oil
The obvious substitutes for petroleum are plant oils and fats because they have the same base chemical structure as petroleum.

(iii) __________ are impure metallic substances as they come out of the mines.
Ans: Ores
Mineral Resources - 1 Class 4 Worksheet SSTAn ore is a rock that contains enough metal to make it worthwhile extracting. The ore is crushed, then ground into powder.

(iv) Petroleum is being pumped out from beneath the sea bed at __________.
Ans: well
The oil wells are drilled by using drilling rigs. When an oil well is drilled through the rocks,natural gas comes out first with a great pressure and for a time,the crude petroleum oil comes out by itself due to gas pressure. After the gas pressure has subsided, petroleum is pumped out of the oil well.

(v) ______________ are deep holes dug to bring out minerals.
Ans: Mines
Mineral Resources - 1 Class 4 Worksheet SSTMines are deep holes dug to bring out minerals. Mines are excavations or openings in the Earth's crust made to extract valuable minerals, ores, metals, or other geological materials. These minerals are typically found underground and need to be extracted through mining operations, which can range from simple digging to complex underground tunnels and shafts.

Q2: True or False.

(i) There is a big coal mine at Rourkela.
Ans: True
Bolani and Barsuan are the two most prominent mines situated near the town. Rourkela is situated in a hilly region.

(ii) Petroleum will last forever.
Ans: False
Petroleum, like coal and natural gas, is a non-renewable source of energy. It took millions of years for it to form, and when it is extracted and consumed, there is no way for us to replace it.

(iii) There are a number of oil refineries in Assam.
Ans: True
Assam has 4 refineries-Noonmati refinery, Numaligarh Refinery, Bongaigaon Refinery, Digboi Refinery.

(iv) Manganese is used in making steel.
Ans: True
Magnesium is an essential alloy that helps convert iron into steel.
Mineral Resources - 1 Class 4 Worksheet SST

(v) Bihar has many coal mines.
Ans: False
As of now there is no coal mine in Bihar.

Q3: Tick the correct word.

(i) Mineral oil is refined to get____________.
(a) kerosene
(b) iron
(c) water
(d) None of these

Ans: (a)
Mineral Resources - 1 Class 4 Worksheet SSTMineral oil is a liquid by-product of refining crude oil to make gasoline and other petroleum products.

(ii) Iron ore is found in___________.
(a) Himachal Pradesh
(b) Odisha
(c) Uttar Pradesh
(d) None of these

Ans: (b)
The major "hematite" type iron deposits are located in well defined belts in the States of Orissa, Jharkhand, Chhattisgarh, Maharashtra, Goa and Karnataka.

(iii) One of the causes of pollution is the use of _________.
(a) coal
(b) water
(c) sun-light
(d) none of these

Ans: (a)
Mineral Resources - 1 Class 4 Worksheet SSTOne of the causes of pollution is the use of coal.

(iv) Mines are made to take out __________.
(a) metals
(b) ores
(c) minerals
(d) none of these

Ans: (b)
An ore is a rock that contains enough metal to make it worthwhile extracting. The ore is crushed, then ground into powder.

(v) One of the refineries is in__________.
(a) Delhi
(b) Mathura
(c) Goa
(d) None of these

Ans: (b)
The Mathura Refinery, owned by Indian Oil Corporation, is the sixth refinery of IndianOil located in Mathura, Uttar Pradesh, India.

(vi) Which of the following state is the leading producer of Bauxite ore?
(a) Orissa
(b) Madhya Pradesh
(c) West Bengal
(d) None of the above

Ans: (a)
Odisha (formerly known as Orissa) is one of the leading states in India in terms of bauxite production. Bauxite is an essential ore used in the production of aluminum, and Odisha has significant deposits of this mineral.

(v) Which of the following plateau is richest in minerals?
(a) Chota Nagpur plateau
(b) Deccan plateau
(c) Mysore plateau
(d) None of the above

Ans: (a)
The Chota Nagpur Plateau, located in the eastern part of India, is renowned for its rich mineral resources. It is particularly known for its coal, iron ore, and manganese deposits, making it one of the most mineral-rich regions in India.

(vi) Majhgawan mines are located in which of the following state?
(a) Uttar Pradesh
(b) Madhya Pradesh
(c) Andhra Pradesh
(d) None of the above

Ans: (b)
The Majhgawan mines are situated in the state of Madhya Pradesh. These mines are known for their significant production of diamonds.
Mineral Resources - 1 Class 4 Worksheet SST

(vii) Which of the following state is the leading producer of gold?
(a) Karnataka
(b) Madhya Pradesh
(c) West Bengal
(d) None of the above

Ans: (a)
Karnataka is one of the leading states in India for gold production. The Kolar Gold Fields in Karnataka were once one of the deepest and most productive gold mines in the world.
Mineral Resources - 1 Class 4 Worksheet SST

(viii) Which of the following coal is the most popular coal in commercial use?
(a) Lignite coal
(b) Anthracite coal
(c) Bituminous coal
(d) None of the above

Ans: (c)
Bituminous coal is the most commonly used coal in commercial and industrial applications. It is valued for its relatively high energy content and versatility. It is widely used for electricity generation, industrial processes, and heating.

Q4: Answer the following Questions.

(i) What is a mineral?
Ans: Minerals are naturally occurring homogenous substances with a specific internal structure.
Mineral Resources - 1 Class 4 Worksheet SST

(ii) What is a conventional source of energy?
Ans: A conventional source of energy is a non-renewable source of energy which can’t be renewed once exhausted. They are present in a limited quantity in the environment. Coal, oil, natural gas and fossil fuels are examples of some conventional sources of energy.

(iii) Explain different classes of iron ores.
Ans: There are four classes of iron ores:

  • Magnetite: Magnetite is the best quality iron ore. It has the highest amount of iron up to 70 per cent with outstanding magnetic properties. It is also used in the electrical industries.
  • Haematite: Haematite is the class of iron ore. It has about 50 to 60 per cent of iron and is one of the significant classes of iron used in industries.
  • Limonite: Limonite is the class of iron ore. It has about 40 to 60 per cent of iron.
  • Siderite: Siderite is the class of iron ore. It has about 40 to 50 per cent of iron.

(iv) Why is mining hazardous?
Ans: Mining is the process of extracting valuable minerals from the earth by digging. There are a lot of harmful effects of mining on the environment and human health.
Mineral Resources - 1 Class 4 Worksheet SSTA few of them are mentioned below:

  • The toxic fumes and dust particles released during the mining can cause dangerous diseases like asthma and cardiovascular mortality.
  • It can pollute the air and drinking water.
  • It encourages deforestation, thereby leading to soil erosion and biodiversity loss.

(v) Name the mineral used for manufacturing
(a) Aluminium
(b) Cement
(c) Synthetics

Ans: (a) The mineral used for manufacturing aluminium is bauxite.
(b) The mineral used for manufacturing cement is limestone.
(c) The mineral used for manufacturing synthetics is oil or coal.

(vi) Write three uses of each of the following
(a) Copper _______________, ______________, ______
(b) Iron ________________, ______________, _________
(c) Aluminium ______________, _____________, ________
Ans: (a)
Copper: The primary applications of copper are in electrical wiring, roofing, plumbing, and industrial machinery.
(b) Iron: Iron is used to make bridges, electricity pylons, bicycle chains, cutting tools and rifle barrels.
(c) Aluminium: Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts.

The document Mineral Resources - 1 Class 4 Worksheet SST is a part of the Class 4 Course Social Studies for Class 4.
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FAQs on Mineral Resources - 1 Class 4 Worksheet SST

1. What are mineral resources?
Ans. Mineral resources are naturally occurring substances found in the Earth's crust that have economic value. They can be minerals, rocks, or even fossil fuels, and they are extracted through mining or drilling for various purposes.
2. How are mineral resources formed?
Ans. Mineral resources are formed through geological processes that occur over millions of years. They can be formed through volcanic activity, deposition of sediments, or even through biological processes. These processes create conditions for the accumulation and concentration of minerals in specific areas.
3. What are the different types of mineral resources?
Ans. There are various types of mineral resources, including metallic minerals (such as gold, silver, and copper), non-metallic minerals (such as limestone and gypsum), energy minerals (such as coal and oil), and industrial minerals (such as salt and clay). Each type serves different purposes in industries and daily life.
4. How are mineral resources extracted?
Ans. Mineral resources are extracted through various methods depending on their type and location. Open-pit mining and underground mining are commonly used for metallic minerals. Non-metallic minerals are often extracted through quarrying or surface mining. Energy minerals are extracted through drilling and pumping, while industrial minerals may involve different extraction techniques depending on their use.
5. What are the environmental impacts of mineral resource extraction?
Ans. Mineral resource extraction can have significant environmental impacts. It can lead to habitat destruction, soil erosion, water pollution, and air pollution. Mining and drilling operations can disrupt ecosystems and biodiversity, and the use of chemicals during extraction can further harm the environment. Proper management and mitigation measures are necessary to minimize these impacts.
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