Volcanic Eruptions Quiz

What is the primary function of a magma chamber in a volcano?

• To release gases into the atmosphere

• To store molten rock beneath the Earth's surface

• To act as a vent for volcanic ash

• To cool down the magma before eruption

How does magma viscosity affect the type of volcanic eruption?

• Thicker magma leads to quieter eruptions

• Thinner magma results in explosive eruptions

• Thicker magma traps gases, causing explosive eruptions

• Viscosity has no effect on eruption type

Which type of volcanic eruption is characterized by gentle lava flows?

• Pyroclastic flows

• Effusive eruptions

• Explosive eruptions

• Ash eruptions

What is a pyroclastic flow?

• A slow-moving stream of lava

• A fast-moving current of hot gas and volcanic material

• A type of volcanic rock

• A gentle lava flow

What should you do to protect yourself from volcanic ash?

• Stay outdoors and breathe deeply

• Cover your mouth and nose and stay indoors

• Ignore evacuation orders

• Move closer to the volcano for a better view