⛪Home⇐ Class II ROCKS AND MINERALS


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Class II - science: ROCKS AND MINERALS
One Word Answer Questions:
Q) From where the minerals are founded?
    
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Q) From which mineral raw talc is made?
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Q) What is the use of shale?
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Q) Which mineral is used to produce electricity?
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Q) Name any one types of minerals for making jewellery?
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Q) Which type of rock formed when small particles of sand get compressed and cemented together?
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Q) What is the layer of sand, organic matter and minerals on the surface of the earth?
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Q) Which power plants use Uranium to produce nuclear energy?
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Q) The magma that reaches the surface of the earth is called?
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Q) Which is used as a scrubbing stone to remove rough dead skin from the body?
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Q) Sand stone is widely used for making?
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Short Answer Questions:
Q) Write Two uses of slate?
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Q) Write two uses of granite?
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Q) Give two uses of granite?
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Q) Which types of rocks are found near a river?
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Q) Explain the types of Rocks.
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Q) What is the Igneous Rock?
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Q) What is Sedimentary Rock?
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Q) What is extraction of matter?
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Q) Explain the uses of rocks and minerals?
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Long Answer Questions:
Q) Where are rocks found?
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Q) Explain about Gemstones?
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Q) What is the main use of coal?
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Q) Name two minerals?
    
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Q) How is soil formed?
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Q) Explain briefly about the fuels from Rocks and minerals.
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Q) Explain briefly about the types of rocks?
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Q) Explain about Igneous and Sedimentary rocks with examples?
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Q) Explain in detail about Types of Metamorphic Rock?
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Q) Explain in detail about Types of Sedimentary Rocks?
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ROCKS


  • Hard, Solid parts of the Earth.
  • Hills and Mountains are made of rocks.
  • Rocks are of different sizes & shapes.
  • Stones are smaller size and cut out of rocks.
  • Pebbles are small and round stones found near rivers.
  • Rocks

    Rocks

    Stones

    Stones

    Pebbles

    Pebbles

Types of Rocks


Hard rocks Are hard
Eg:-Marble, Granite, and sandstone.
Used for making floorings, statues and buildings.
Hard rocks
Soft Rocks Are Soft Eg:-slate, shale, chalk and rock salt are some soft rocks.
Slate is used in making rocks, tiles and writing slates.
Soft Rocks


Shale Is used in making bricks, paints and plastics Shale
Chalk or lime stone Used in making writing chalks. Chalk or lime stone
Rock salt Used in flavouring food. Rock salt

Rocks break up into very small pieces and form soil.

Soil is useful for growing crops.

MINERALS


Every rock is made up of one or more minerals.

Minerals are useful substances found inside the earth.

Gold and Silver Gold and Silver used in making jewellery. Soft Rocks
Graphite Graphite is soft black mineral, used in making lead in pencils. Graphite
Coal Coal is used to burn fire and produce electricity. coal
China Clay China Clay is used for making crockery paper and electric wires. chinaclay
TalcTalc is used in making Talcum powder. talcpowder
Gemstones
  • Gemstones are hard minerals.
  • Gemstones is used in making Jewellery.
  • Gemstones very expensive.
  • Gemstones are of various colours.
  • Gemstones are polished and made into different sizes and shapes.
Ruby Red Ruby
Emerald Green
Sapphire Blue
Garnet Orange red

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