Question

Test
Inside Our Earth
Q1. Fill in the blanks.
i. _____________ are also called primary rocks.

ii. For Gold, petroleum and coal are examples of __________.

iii. The thinnest layer of the earth is ________.

iv. Deccan plateau is made up of ________ rocks.

v. The Taj Mahal is made of _________marble.



Q2. True/False
i. There are two types of igneous rocks: intrusive rocks and extrusive rocks.

ii. Rocks which contain fossils are metamorphic rocks.

iii. Clay changes into slate and limestone into marble.

iv. It is constantly undergoing changes inside and outside.

v. Grinding stones used to prepare paste/powder of spices and grains are made of sedimentary rock.

vi. The earth, our homeland is a dynamic planet.


Q3. Give an example of extrusive igneous rocks.




Q4. What is the radius of earth?




Q5. What is the core of the earth made up of?




Q6. What is the innermost layer of the earth?




Q7. Name the monument which is made of red sandstone?

Q8. What are the three layers of the earth?




Q9. What is crust?




Q10. What is the uppermost layer of the Earth called?​

Answer 1

Explanation:

1.i. igneous rocks

ii.minerals

iii.crust

iv.basalt

v.white

2.i.true

ii.false

iii.true

iv.true

v.true

vi.true

3.These rocks include andesite, basalt, dacite, obsidian, pumice, rhyolite, scoria, and tuff.

4.6,371 km

5.The core is the centre of the earth and is made up of two parts: the liquid outer core and solid inner core. The outer core is made of nickel, iron and molten rock.

6.core(inner core)

7.qutub minar

8.crust, mantle, core

9.the outermost layer of the earth

10.crust(lithosphere)