Volcanoes - IGCSE Geography

A volcano that will never erupt again is said to be ________.

• Dormant

• Extinct

• Active

• Inactive

How do the eruption materials differ between composite cone and shield volcanoes?

• Lava acidity

• Volcanic gases

• Pyroclastic flow

• Crater size

What is the difference between magma and lava?

• Magma is found beneath the Earth's surface, while lava is magma that has reached the surface.

• Magma is cooler than lava.

• Magma is only found in volcanoes, while lava is found everywhere.

• There is no difference between magma and lava.

How is a volcano formed?

• By the accumulation of lava and ash over time

• By the erosion of mountains

• By the collision of tectonic plates

• By the melting of glaciers

Provide an example of a volcano.

• Mount Everest

• Mount Fuji

• Grand Canyon

• Sahara Desert

Which part of the volcano is typically the source of eruptions?

• Crater

• Magma Chamber

• Vent

• Ash cloud

Fill in the blank: ______ is molten rock expelled by a volcano during an eruption.

• A) Crust

• B) Magma Chamber

• C) Lava

• D) Vent

What is a composite cone volcano?

• A type of shield volcano

• A volcano composed of alternating layers of lava and ash

• A volcano that erupts only once

• A small, steep-sided volcano.

Fill in the blank: The eruptions of composite cone volcanoes are typically ________.

• Explosive

• Quiet

• Nonexistent

• Continuous

What type of lava is typically associated with composite cone volcanoes?

• Basaltic

• Andesitic

• Rhyolitic

• None