Question

Arrange the events to describe how a volcano forms and erupts. Arrange the events to describe how a volcano forms and erupts.

Tiles;
The plates move constantly.

Molten magma flowing beneath
Earth's surface finds its way
out of the gaps.

The mound cools down over
thousands of years to form
a mountain.

The heap grows bigger and bigger
as the volcano erupts, creating a
huge mound.

At times, the plates move away
from each other, creating gaps.
Earth's crust is made up of huge
slabs called plates.

Magma comes out of Earth, creating
a heap of lava, ash, and rocks.
Sequence

Answer 1

Earth's crust is made up of huge

slabs called plates.

>

The plates move constantly.

>

At times, the plates move away

from each other, creating gaps.

>

Molten magma flowing beneath

Earth's surface finds its way

out of the gaps.

>

Magma comes out of Earth, creating

a heap of lava, ash, and rocks.

>

The heap grows bigger and bigger

as the volcano erupts, creating a

huge mound.

>

The mound cools down over

thousands of years to form

a mountain.

Answer 2

Volcanoes form by movement of tectonic plates, which causes melting of a solid body called as the mantle, in the deep earth surface. Tectonic plates themselves sink into the melting mantle. The rock surface inside the mantle melts up and moves up towards the crater and volcano erupts, lava and gases are released.