Volcanoes review

Hot liquid rock under the Earth’s surface is known as

• lava

• solar

• magma

• ash

_____ is molten rock that has reached Earth's surface through volcanic vents.

• Clava

• Magma

• Saliva

• Lava

Two-thirds of the world's active volcanoes are found in

• The Circle of Fire

• The Ring of Fire

• The Chain of Fire

• The Crescent of Fire

Apart from lava, volcanoes also spew out ash, rocks and toxic gases.

• False

• True

Volcanoes can be found on...

• land

• underwater

• other planets

• all of the above

An extinct volcano is a volcano that hasn't erupted for at least

• 10 000 years

• 15 000 years

• 50 000 years

• 100 000 years

Where is the area of the Ring of Fire located?

• Indian Ocean

• Arctic Sea

• Atlantic Ocean

• Pacific Ocean

Volcanoes can even be found in Antartica.

• True

• False

A plate boundary where two plates move away from each other is called

• Divergent Boundary
• Convergent Boundary
• Transform Boundary
• Subduction

Scientists hypothesize that a super continent existed 200 million years ago.  This continent is called

• America
• Super Earth
• Pangea
• Eurasia