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This photo shows a geyser which is heated underground water that rises to the surface under extreme pressure.

Earthquakes and Volcanoes 02

Dormant and extinct volcanoes still shape our world. This KS3 Geography quiz helps you explore eruptions, hazards and how people live with active volcanic landscapes.

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Fascinating Fact:

A volcano that has not erupted for a long time but might erupt again is described as dormant, while an extinct volcano is not expected to erupt.

In KS3 Geography, you learn how different types of volcano behave over time. You explore how active, dormant and extinct volcanoes are monitored and how eruptions affect people and the environment.

Key Terms

Active volcano: A volcano that is erupting now or has erupted recently and is likely to erupt again.
Dormant volcano: A volcano that has not erupted for a long time but could erupt in the future.
Extinct volcano: A volcano that is not expected to erupt again because its magma supply has stopped.

Frequently Asked Questions (Click to see answers)

What is the difference between active, dormant and extinct volcanoes?

An active volcano erupts now or in recent history, a dormant volcano has not erupted for a long time but may do so again, and an extinct volcano is not expected to erupt.

How do scientists know if a volcano is dormant or extinct?

Scientists study past eruptions, gas emissions, earthquakes and changes in the shape of the volcano. If there has been no activity for a very long time, it may be classed as extinct.

Why is it important to monitor volcanoes in Geography?

Monitoring volcanoes helps predict possible eruptions, warn people in danger zones and plan evacuations. This can reduce deaths, injuries and damage to homes and services.

Try These Related Quizzes

1 .

What form does the mantle take?

Gas

Ice

Semi-liquid

Solid rock

Currents in the mantle are thought to be what move the crustal plates

2 .

An earthquake can be measured on what scale?

Reuter

Richter

Richthofen

Rickman

At the time of writing this quiz, the world's strongest recorded earthquake was magnitude 9.5. It occured in the Pacific Ocean near Chile in 1960

3 .

A volcano not expected to erupt again is called what?

Dead

Extinct

Idle

Obsolete

All the volcanoes in the British Isles are extinct. Phew!!

4 .

Heated underground water rising to the surface under huge pressure is a...?

Geezer

Geyser

Giza

Gyeeser

Probably the best known geyser is 'Old Faithful' which is in Yellowstone National Park in the USA

5 .

Which ocean has a ring of earthquakes and volcanoes around its edge?

Arctic

Atlantic

Indian

Pacific

Known as the 'Pacific Ring of Fire'

6 .

Which layer is immediately below the earth's crust?

Core

Horizon

Mantle

Margin

The mantle is a much thicker layer than the crust

7 .

Earthquakes are most likely to happen where?

In the centre of plates

Near plate edges

Under the highest mountains

Where major rivers enter oceans

The edges of plates are very unstable areas - rocks don't move past each other very easily!

8 .

Mauna Loa is a volcano in which American state?

Alaska

Hawaii

Montana

New Mexico

Hawaii has a national park called 'Volcanoes'

9 .

How can you tell that South America and Africa were once joined?

America and Africa both begin and end with 'a'

By the shape of their coastlines

The native people look alike

They both have major deserts

They split apart as the earth's plates moved, forming the Atlantic Ocean

10 .

Large rocks thrown from a volcano have what name?

Bombs

Bricks

Lava lumps

Missiles

They can be thrown hundreds of feet in the air and are very dangerous to people and buildings near to an eruption

Author: Jan Crompton (KS3 Geography & History Teacher, Professional Quiz Writer)

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