Question
Describe natural resources with reference to the following
Mineral resources

Answer

Mineral wealth has an important place among natural resources. The rocks on the earth are mainly made of minerals. These minerals can be obtained by mining. Minerals that contain a high proportion of metals are ores, (i) Minerals are formed from the magma in the earth’s crust and the lava from the eruption of volcanoes when they cool and get transformed into crystals e.g. magnetite, mica, (ii) Minerals get transformed from one form into another due to large changes in temperature and pressure e.g. Diamond, Graphite, (iii) There are 3 types of minerals according to their properties Non-metal minerals: e.g. mica, sulphur, potash, diamond.

  • Metals minerals: e.g. Iron, gold, silver, tin, bauxite, platinum.
  • Energy minerals: e.g. Coal, mineral oil, natural gas, diamond, ruby, sapphire, jade are used as gems.

Some important minerals and ores are Iron ore, manganese, bauxite, copper and mica.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Read the paragraph and answer the following questions:

I am a penguin. I live in polar region covered by snow. My abdomen is white. My skin is thick with a layer of fat underneath. My body is spindle-shaped. My wings are small. My toes are webbed. We live in flocks.

1.Why is my skin white and thick and why is there a thick layer of fat underneath?
2.Why do we live in flocks sticking close to each other?
3.Which geographical region do I inhabit? Why?
4.Which adaptations should you have to enable you to live permanently in the polar region? Why?
1.Take sugar in a test tube and heat the test tube. Observe what happens. What remains behind?
2.Using tongs hold a magnesium ribbon in a flame and observe what changes took place?
3.What does the name carbon dioxide imply – how many and which elements is this substance made of?
4.Which of these are compound, which are elements?
5.What is the smallest particle of a compound called?
What is the difference between us:
Plant cell and animal cell.
Observe the diagrams and answer the questions given below:

Image
1.Name the methods shown.
2.Give 2 points of difference between the methods.

From the internet or reference books obtain information about elements and prepare a table according to the format given below:
Describe natural resources with reference to the following
Forest resources
Observe any one flower and its various parts and describe it in your own words.
Write short notes on:
(1) Distillation (2) Sublimation (3) Magnetic separation (4) Sedimentation (5) Filtration (6) Evaporation
Explain the uses and the harmful effects of, micro-organisms.
Sketch and describe ¡n your on words, the plant cell and animal cell.