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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
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
limestone
Name the types Sedimentary rocks based on agents of formation.
What is meant by a rock?
How are rocks important to us?
Classify the following rock: Shale
Classify the following rock: Dolomite
Classify the following rock: Granite
Classify the following rock: Gneiss
Why are the Igneous Rocks called Primary Rocks?
______ is known as the primary rocks.
Volcanic mountains are covered with sedimentary rocks.
Classify and explain the rocks.
The two types of Intrusive Igneous rocks are ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
