Pathways 3 RW U4

The ................ of the volcano Eyjafjallajökull in Iceland in 2010 sent huge clouds of smoke across Northern Europe.

• pressure

• eruption

• threaten

• accumulate

Volcanic activity ....................

many parts of the Hawaiian Islands.

• pressure

• eruption

• threatens

• accumulate

Shield volcanoes grow as lava flows

........................ on the surface.

• pressure

• eruption

• threatens

• accumulate

Intense ................. from Mauna Loa, the world's largest and heaviest volcano, has forced the ocean's crust below it into the mantle.

• pressure

• eruption

• threatens

• accumulate

In Volcano National Park, visitors can walk across

....................... craters.

• vast

• explode

• threatens

• accumulate

When a volcano

.........................

, it often produces loud noises.

• vast

• explodes

• cracks

• continuous

There are four volcanoes on Earth that have been in a period of

......................... eruption for over 100 years.

• vast

• explodes

• cracks

• continuous

In some types of volcanoes, the ........................

of the dome precedes the eruption.

• vast

• collapse

• cracks

• continuous

In the ..................

country of Brazil, there is only one volcano.

• entire

• collapse

• eruption

• accumulate

During an eruption, gases often leak out of ..........................

or breaks in the ground.

• vast

• explodes

• cracks

• continuous