Advertisements
Advertisements
प्रश्न
Find the difference between:
Igneous and sedimentary rocks
Give three points of difference between the igneous rocks and the sedimentary rocks.
Advertisements
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. |
Notes
Students should refer to the answer according to their questions.
APPEARS IN
संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Why are the igneous rocks also called the primary rocks?
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Distinguish between the following:
Calcarious and Carbonacious rocks.
What are the causes of metamorphism?
Classify the following rock: Clay
Give one example of an area of: Sedimentary rocks in India
What is the basis for the classification of rocks?
How are sedimentary rocks classified?
Distinguish between Intrusive and Extrusive Rocks
Which Soils are formed by the weathering of metamorphic rocks?
______ refer to rock in Greek.
What are the characteristics of Sedimentary rocks?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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.
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.
