Question

Q3.Match the columns.

Column A Column B

a. Outer Core i. Made up of sial and sima

b. Mantle ii. Lies below the oceans and is about 6 km thick

c. Continental Crust iii. Molten, very high temperature

d. Inner Core iv.Lies in the middle, magma is found here

e. Oceanic Crust v. Under tremendous pressure, remains solid

Q4. State whether the following statements are true or false. Rewrite the false statements

correctly.

a. The mantle is made of granitic and basaltic rocks.

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b. Continental crust is much thinner than the oceanic crust.

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c. The Earth’s surface is constantly changing.

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d. Most of the Earth’s mass lies in the mantle.

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e. The earth came into existence about 6 billion years ago.

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Q5. Answer the following questions in brief.

a. Name the different layers of the earth.

Ans. ___________________________________________________________________​

Answer 1

Answer:

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