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प्रश्न
Find the difference between
Igneous and sedimentary rocks
उत्तर
| Igneous Rocks | Sedimentary Rocks |
| These are formed due to the cooling and solidification of ‘magma’ and ‘lava’. | These rocks are formed due to continuous deposition and compaction of weathered pieces of rocks transported to various places by wind, glaciers, rivers, etc. |
| These are hard, homogeneous, and heavy rocks. | These are brittle, layered, and light in weight. |
| They lack fossils. | They show the presence of fossils. |
| Example: Basalt, Granite, etc. | Example: Sandstone, limestone, etc. |
संबंधित प्रश्न
Differentiate between SIAL and SIMA.
What is the difference between the inner and the outer core?
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.
Explain this term associated with rocks: Extrusive Igneous Rocks
Classify the igneous rocks on the basis of their place of origin.
What is metamorphism?
What are the chief characteristics of metamorphic rocks?
What is meant by the term ‘metamorphism’?
Classify the following rock: Coal
Classify the following rock: Quartzite
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Give reasons for the following
Silicates are the most common rock forming minerals.
Classify and explain the rocks.
Mention the types of rocks based on formation?
The types of rocks based on formation are
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
______ are chemical substances which exist in nature.
| 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.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
