______ is the rigid outer layer of the Earth

(a)

core

(b)

mantle

(c)

Crust

(d)

inner core

________ layer is made up of liquid iron

(a)

Inner core

(b)

Outer core

(c)

Mantle

(d)

Crust

The movement of tectonic plates is induced by _____  energy.

(a)

hydel

(b)

thermal

(c)

wave

(d)

tidal

Many million years ago, India was a part of the super continent ________ 

(a)

Gondwana

(b)

Laurasia

(c)

Panthalasa

(d)

Pangea

The point of origin of an Earthquake is called the ________.

(a)

epicentre

(b)

focus

(c)

seismic wave

(d)

magnitude

Atmosphere

(1)

The thin layer of gases that surrounds the Earth.

Granite

(2)

Sculpture & construction

Marble

(3)

Permanently stops its volcanic activity

Basalt

(4)

Construction work

Extinct volcano

(5)

Laying roads

Core and crust

Divergent and convergent boundaries.

Shield volcano and volcanic Dome.

Internal Processes and External processes.

Atmosphere and Biosphere.

Write a brief note on the various spheres of the Earth.

What is pedosphere?

What is Tsunami?

What is an Earthquake and how it occurs?

What is Hydrosphere?

What is Geology?

What do the internal processes generate?

Scientists use GPS to measure the rate of Tectonic Plate movements. Discuss.

Pacific Ring of Fire - Most seismically and volcanically active. Why?

Describe the structure of the Earth

Explain the effects of Volcanoes