TBSHS Y8 The Restless Earth Quiz 3 - Volcanoes

Which layer represents the lithosphere?

• A
• B
• C
• D

The ??? is the plastic (slowly flowing) layer made of solid rock in the mantle

• Asthenosphere
• Lithosphere
• Cryosphere
• Mesosphere

Two plates spread or move apart at which type of plate boundary?

• Destructive

• Constructive

• Conservative

A destructive plate boundary in the ocean creates which landform?

• Mid-ocean ridge

• Rift valley

• Deep ocean trench

• Subduction zone

What is a volcano?

• A mountain that has lava all over it

• A giant hill filled with magma

• A long high sea wave

• A hole in the Earth where magma erupts

What is molten rock that has formed deep within the Earth?

• Hot Spot
• Magma
• Lava
• Volcano

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

• Aa
• Lava
• Magma
• Pahoehoe

Volcanoes are found...

• on land
• under water
• on islands
• all of the above

The difference between magma and lava is _____

• where it is found (above or below the surface)
• how hot the molten rock is (lava is hotter than magma)
•  the type of boundary where it forms
• the viscosity of the molten rock (lava has a lower viscosity)

Where are most volcanoes found?

• Southern Hemisphere
• Ring of Fire
• Mid-Atlantic Ridge
• Hot Spots