Advertisements
Advertisements
Questions
What is SIAL?
What do you mean by SIAL?
Advertisements
Solution
Crust is the outer layer of the earth, where we live. The major elements of crust are silica (Si) and aluminium. Thus, it is called SIAL.
APPEARS IN
RELATED QUESTIONS
Describe the mantle.
Look at the figure on the side and answer the question:
Name the state (solid, liquid or gas) in which each part exists.
Study the figure on the side and answer the question
What role does Sima play?
Study the figure on the side and answer the question
Why is the expression ‘Nife’ so called?
Which layer is responsible for earth’s magnetic field? Why?
“The whole of the approaching ship is not visible at one time.” Why?
“Even when the Earth is spherical, it appears to be flat.” Discuss.
Magma is found in the ______.
Mention the layers of the interior of the Earth.
Match the following:
| (a) | Crust | (i) | 2,171 km |
| (b) | Upper Mantle | (ii) | 2,259 km |
| (c) | Lower Mantle | (iii) | 30 km |
| (d) | Outer Core | (iv) | 1221km |
| (e) | Inner Core | (v) | 720 km |
