Welcome to your Class 5 Science Chapter 8 Test 1
1.
The hot fluid in ________ of the Earth comes out of the Earth surface in form of lava during volcano eruption
2.
External core is in the form of a thick black ________ which contains elements like iron and nickel.
3.
The diameter of the Earth is ________km.
4.
The hottest part of the Earth is its ________.
5.
The only planet of the solar system where conditions are suitable for the existence of life is ________.
6.
________ consists of solid matter.
7.
________ is extremely hot and highly thick fluid like honey.
8.
Internal core is ________.
9.
We live on the ________ of the Earth.
10.
Internal core contains elements like iron and nickel.
11.
The Earth’s core consists of ________ parts.
12.
The central part of the Earth is called the ________.
13.
________ contains lofty mountains, deep oceans, rivers, green fields, rural and urban dwellings.
14.
The biggest part of the Earth by volume is ________.
15.
The distance of the Earth from the sun is ________million km.
16.
It takes about 1000 years to make only a ________cm thick layer of soil.
17.
The average thickness of the crust of the Earth is ________.
18.
The volume of internal core of the Earth is ________ of the total volume of the Earth.
19.
The layer of the Earth under the crust is called ________.
20.
The temperature of the core is about ________0C.
21.
The thickness of the mental is about ________.
22.
The weight of internal core of the Earth is ________ of the total of the Earth.
23.
Beneath the oceans, the thickness of crust is about ________ km.
24.
The outer shell of the Earth is called ________.
25.
There are ________ layers of the Earth.
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