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प्रश्न
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Give two differences between Extrusive Igneous and Intrusive Igneous rocks.
उत्तर
| S. No. | Extrusive Igneous rocks | Intrusive Igneous rocks |
| 1. | They are created when molten magma cools on the surface of the earth. | When magma solidifies inside the earth's crust, they are created. |
| 2. | These rocks have fine grains, are crystalline, and are smooth. | These are hard rocks with big crystals and a gritty feel. |
| 3. | For example - Basalt | For example - Granite |
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
Classify the following rocks by selecting the correct option given below:
shale
Classify the following rocks by selecting the correct option given below:
basalt
How are igneous rocks formed?
Describe the process that leads to exfoliation.
How are igneous rocks classified on the basis of their chemical composition?
What are metamorphic rocks?
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Igneous rocks are found in the regions of volcanoes.
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 |
Distinguish between:
Internal Processes and External processes.
The two types of Intrusive Igneous rocks are ______.
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
Minerals exist in nature ¡n the form of ______ or ______.
The world Igneous is derived from the Latin word ______ meaning ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
