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प्रश्न
Give two examples of metamorphic rocks.
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उत्तर
- Marble: Formed when limestone is subjected to heat and pressure. It becomes harder, crystalline and is often used in sculpture and building.
- Slate: Formed from shale under heat and pressure. It becomes fine-grained, splits into smooth layers, and is used for roofing and flooring.
संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
Classify the following rocks by selecting the correct option given below:
sandstone
Classify the following rocks by selecting the correct option given below:
schist
Name three types of rocks.
Distinguish between the following:
Plutonic and Volcanic rocks.
How are chemically-formed sedimentary rocks formed? Give examples.
Classify the following rock: Coal
Classify the following rock: Peat
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give one term for the following statement:
It has a definite chemical composition with its own chemical and physical properties.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Match the following:
| (a) | Igneous | (i) | Magma |
| (b) | Sedimentary | (ii) | Transformation |
| (c) | Metamorphic | (iii) | Gypsum |
| (d) | Molten material | (iv) | Basalt |
| (e) | Rock Cycle | (v) | Marble |
Mention a few specimens of magnificent rock-cut architecture in India?
The word ‘Igneous’ is derived from the ______ word.
______ into slate caused by thermal metamorphism.
The word Ignis means rock.
______ rocks are also known as stratified rocks.
Intrusive Igneous rocks are also called ______ rocks.
