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Class 4 Social Science Our Mineral Wealth Question Answer

Last updated on July 6th, 2023 at 08:53 pm

Our Mineral Wealth Class 4 Question Answer

Our Mineral Wealth Class 4 Question Answer | Our Mineral Resources Class 4 Worksheets by online shiksha

 

Fill in the blanks

  1. Rocks are made up of ……………
  2. ……………. means digging out minerals from the earth.
  3. Minerals containing metals are known as ………….
  4. The holes dug in the earth to take out minerals are called……….
  5. ………….is used to make ornaments.
  6. …………….is a light metal

Correct answer

  1. Minerals
  2. Mining
  3. Ores
  4. Mines
  5. Gold
  6. Aluminum

Answer in one word

  • Holes dug to take out ores – mines
  • Minerals such as iron and gold – metals

 

Answer the following questions:

 

Define Metal

Objects such as utensils, pins, nails, and car bodies are made of hard, shining materials. They are called metals.

Define Non-Metals?

Nonmetals are substances that are not hard and shiny like metals, such as gasoline, coal, mica, and limestone.

What are ores?

The minerals from which metals are extracted are called ores.

it is used to make utensils, machines, tools, bridges, buildings, railway engines and coaches, and many other things.

What is mining?

Digging out minerals from the surface of the Earth is called mining.

How coal is formed?where it is used?

Coal is formed over millions of years from the dead remains of the plant. It is used in factories and trains.

How crude oil or petroleum is formed?

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