Q2 of 18 Page 10

Tick the correct Answer.

The thinnest layer of the earth is


(a) Crust


(b) Mantle


(c) Core

Mantle and core are the inner layers of the earth that are thicker than the crust.

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2

Tick the correct Answer.

Gold, petroleum and coal are examples of


(a) Rocks


(b) Minerals


(c) Fossils

 2

Tick the correct Answer.

Rocks which contain fossils are


(a) Sedimentary rocks


(b) Metamorphic rocks


(c) Igneous rocks

 3

Match the following.































(i) Core



(a) Earth’s surface



(ii) Minerals



(b) Used for roads and buildings



(iii) Rocks



(c) Made of silicon and alumina



(iv) Clay



(d) Has definite chemical composition



(v) Sial



(e) Innermost layer




(f) Changes into slate




(g) Process of transformation of the rock


 4

Give reasons

We cannot go to the centre of the earth.