Advertisements
Advertisements
Question
Name any three elements of the earth’s crust.
Advertisements
Solution
These are silicon, aluminum, iron, magnesium, calcium, potassium, sodium, and nickel.
APPEARS IN
RELATED QUESTIONS
What are minerals?
How are rocks different from minerals?
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.
Describe the process that leads to exfoliation.
Name the rocks which are most widespread on the earth.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Give one term for the following statement:
Sheet like body of igneous rock.
How is Plutonic rock formed?
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Diamond is an example of _______ rock.
What are metamorphic rocks?
Distinguish between:
Internal Processes and External processes.
Lava comes out from a volcano.
The oldest sedimentary rocks of the world have been identified in ______.
Explain the different types 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:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
