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प्रश्न
Name any two characteristics of Igneous Rocks.
State the main characteristics of igneous rocks.
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उत्तर
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Crystalline Structure: Igneous rocks are usually crystalline, meaning they are made up of interlocking mineral crystals formed from the cooling and solidification of magma or lava.
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Compact and Hard: They are generally very compact and hard, making them durable and resistant to weathering, which is why they are often used in building and construction.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
Name two important landforms made by Igneous Rocks.
What is sills?
Explain this term associated with rocks: Fossil fuels
Distinguish between rocks and minerals.
What is metamorphism?
Classify the following rock: Basalt
Classify the following rock: Schist
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give an example of a Plutonic rock.
How are igneous rocks formed?
Rocks are classified into ______ types.
The two types of Intrusive Igneous rocks are ______.
Oldest Sedimentary rocks of the world has been identified in Green land.
What is lava?
What is thermal metamorphism?
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:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
