Earth and Its Structure | Live Education Quiz

1

The layer of the Earth that is liquid is the:

A Outer core B Inner core C Mantle D Crust

2

The inner core of the Earth is:

A Solid B Liquid C Gaseous D Plasma

3

What causes the movement of tectonic plates?

A Convection currents in the mantle B Earth's rotation C Wind erosion D Ocean currents

4

The temperature of the mantle ranges from:

A 500-900°C to 4000°C B 100-300°C to 1000°C C 4000-5000°C to 6000°C D 0-100°C to 500°C

5

The study of earthquakes is called:

A Seismology B Geology C Geography D Volcanology

6

The zone between the mantle and the core is called the:

A Gutenberg discontinuity B Mohorovicic discontinuity C Lehmann discontinuity D Conrad discontinuity

7

The process of plates moving apart is called:

A Divergence B Convergence C Transform movement D Subduction

8

The asthenosphere is part of the:

A Upper mantle B Lower mantle C Crust D Core

9

What is the main element in the Earth's crust?

A Oxygen B Iron C Silicon D Aluminum

10

The Earth's rotation and revolution are caused by:

A Gravitational forces B Magnetic forces C Nuclear forces D Electrical forces

11

The semi-fluid layer of the mantle on which tectonic plates move is called the:

A Asthenosphere B Lithosphere C Mesosphere D Core

12

Which layer of the Earth is solid and made of rock?

A Crust B Outer core C Inner core D Mantle

13

The study of the Earth's structure is called:

A Geology B Geography C Seismology D Astronomy

14

The solid outer layer of the Earth is composed of:

A Rocks and minerals B Iron and nickel C Water and ice D Gases

15

The deepest layer of the Earth is the:

A Inner core B Outer core C Mantle D Crust

16

The mantle is located between the:

A Crust and outer core B Crust and inner core C Outer core and inner core D Asthenosphere and lithosphere

17

Which layer has the lowest density?

A Crust B Mantle C Outer core D Inner core

18

Which layer is the hottest layer of the Earth?

A Inner core B Outer core C Mantle D Crust

19

Which layer of the Earth is responsible for the magnetic field?

A Outer core B Inner core C Mantle D Crust

20

The inner core is believed to be composed primarily of:

A Iron B Oxygen C Silicon D Aluminum

21

The Earth's mantle is composed mainly of:

A Silicate minerals B Iron and nickel C Carbonates D Oxides

22

What is the approximate thickness of the Earth's crust?

A 5-70 km B 100-200 km C 1000-2000 km D 3000-4000 km

23

The seismic waves that travel through the Earth are used to study its:

A Internal structure B Surface features C Atmosphere D Magnetic field

24

The outermost layer of the Earth is broken into pieces called:

A Tectonic plates B Continents C Islands D Mountains

25

Which of the following is not a layer of the Earth?

A Hydrosphere B Crust C Mantle D Core