Multiple Choice Quiz: Volcanoes and Earthquakes

What causes the movement of tectonic plates?

• Solar wind

• Convection currents within the mantle

• Magnetic forces

• Gravitational pull

What is the thinnest layer of the Earth's structure?

• Mantle

• Core

• Crust

• Lithosphere

What primary hazard of volcanic eruptions is caused by molten rocks ejected from the volcano?

• Pyroclastic flow

• Lava flows

• Tephra

• Volcanic bombs

What is the point directly above the underground release of pressure during an earthquake called?

• Focus

• Epicentre

• Seismograph

• Richter scale

What type of boundary results in the formation of fold mountains?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Collision boundary

How many volcanic eruptions occur annually?

• 100,000

• 50-70

• 500,000

• 1 million

What are tectonic plates?

• Thick layers of rock

• Sections of Earth's mantle

• Large sections of Earth's crust

• Underground rivers

What causes volcanic eruptions?

• Earth's rotation

• Tectonic plate collisions

• Global warming

• Ruptures in the Earth's crust

What is the estimated number of earthquakes that occur every year?

• 100,000

• 50-70

• 500,000

• 1 million

What causes earthquakes and volcanic eruptions?

• Human activities

• Tectonic plate movements

• Climate change

• Ocean currents