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प्रश्न
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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उत्तर
Acidic igneous rocks
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Name three types of rocks.
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Name any two characteristics of Igneous Rocks.
Which rocks are associated with fossil fuels?
Explain this term associated with rocks: Fossil fuels
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
Distinguish between rocks and minerals.
Explain the formation of sedimentary rocks on the basis of agents of formation.
Give one example of an area of: Sedimentary rocks in India
Give one term for the following statement:
Sheet like body of igneous rock.
What are fossils?
Rocks are classified into ______ types.
The two types of Intrusive Igneous rocks are ______.
______ rocks are also known as stratified rocks.
| A | B | ||
| 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.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
