Volcanism

What is molten rock that has reached the Earth's surface?

• lava

• magma

Where are most volcanoes found?

• southern hemisphere

• Ring of Fire

• Hot Spots

• Mid-Atlantic Ridge

The long tube in the ground that connects the magma chamber to Earth's surface is called the:

• vent

• side vent

• pipe

• crater

A sleeping volcano is called:

• active

• dormant

• extinct

Stratovolcanoes can be found at:

• convergent plate boundaries

• divergent plate boundaries

• transform plate boundaries

The material of stratovolcanoes:

• andesit and rhyolite

• basalt

• basalt, andesit and rhyolite

Volcanic eruptions are predictable.

• True

• False

The volcanoes on the Hawaiian Islands form due to which of the following?

• hot spot

• divergent boundary

• transform boundary

• convergent boundary

The material of shieldvolcanoes:

• basalt, andesit, rhyolite

• andesit, rhyolite

• basalt

Basaltic lava originates from the asthenosphere, while andesit and rhyolite lava originates from the subducting plate

• True

• False