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प्रश्न
Differentiate between Rock and Mineral
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उत्तर
| Rock | Mineral |
| A rock is a natural solid organic or inorganic material forming the crust of the earth. | The mineral is an organic element or compound which occurs naturally. |
| A rock is an aggregate of minerals. | A mineral has an atomic structure. |
| The physical properties of rocks vary. | It has fixed definite physical properties. |
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Classify the following rocks by selecting the correct option given below:
basalt
Why are the igneous rocks also called the primary rocks?
Briefly define Mechanical Metamorphism.
Describe how igneous rocks are formed.
Sedimentary rocks are also called stratified rocks. Why?
Classify the following rock: Gneiss
Classify the following rock: Schist
Why are Sedimentary rocks called the Secondary rocks?
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Distinguish between Intrusive and Extrusive Rocks
______ refer to rock in Greek.
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 |
Match the following.
| 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 |
