Tectonism and Hazards 1: A'L Geo

What is the primary driving force behind tectonic plate movement?

• Gravity

• Magnetism

• Convection currents in the mantle

• Earth's rotation

Which type of plate boundary is characterized by plates moving away from each other?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Subduction boundary

The Mid-Atlantic Ridge is an example of:

• Subduction zone

• Rift valley

• Transform fault

• Convergent boundary

Which tectonic plate is responsible for the creation of the Himalayan mountain range?

• Eurasian Plate

• African Plate

• South American Plate

• Indo-Australian Plate

What type of volcano is characterized by a broad, gently sloping profile and non-explosive eruptions?

• Shield volcano

• Stratovolcano

• Cinder cone volcano

• Composite volcano

The Richter scale measures:

• Earthquake intensity

• Volcanic ash content

• Tsunami frequency

• Plate movement speed

What is the primary cause of earthquakes along transform plate boundaries?

• Subduction

• Volcanic activity

• Plate collision

• Sliding past each other

Which of the following is NOT a primary volcanic gas?

• Carbon dioxide

• Nitrogen

• Sulfur dioxide

• Water vapor

What is the term for the point on the Earth's surface directly above the earthquake's point of origin?

• Epicenter

• Hypocenter

• Focus

• Seismometer

The process of melting and assimilation of the Earth's crust into rising magma is known as:

• Assimilation

• Subduction

• Crystallization

• Differentiation