Plate Tectonics

What is the name of the single supercontinent proposed by Alfred Wegener?

• Pangea

• Gondwana

• Laurasia

• Atlantis

What role do tectonic plates play in the formation of earthquakes?

• They create mountains and valleys.

• They cause volcanic eruptions.

• The movement and interaction of tectonic plates can cause stress to build up, leading to earthquakes when released.

• They have no effect on the Earth's surface.

What is subduction?

• The process where one tectonic plate moves under another and is forced into the mantle.

• The process where tectonic plates slide past each other without interaction.

• The process of two tectonic plates colliding and forming mountains.

• The process where tectonic plates move apart and create new crust.

How do convection currents in the mantle affect tectonic plate movement?

• They create a flow that can push and pull tectonic plates, causing them to move.

• They cause tectonic plates to become rigid and immovable.

• They only affect the oceanic plates, not the continental plates.

• They have no effect on tectonic plate movement.

What is the difference between the lithosphere and the asthenosphere?

• The lithosphere is the rigid outer layer of the Earth, while the asthenosphere is the semi-fluid layer beneath it.

• The lithosphere is a liquid layer, while the asthenosphere is solid and rigid.

• The lithosphere is located in the core of the Earth, while the asthenosphere is in the mantle.

• The lithosphere is the outer layer of the Earth, while the asthenosphere is the inner layer.

What type of boundary occurs when two tectonic plates collide?

• Divergent boundary

• Transform boundary

• Convergent boundary

• Fault boundary

Define an earthquake.

• An earthquake is when tectonic plates slide against each other causing the earth to move.

• An earthquake is a sudden release of energy in the Earth's crust that creates seismic waves.

• An earthquake is a weather phenomenon that causes the ground to shake.

• An earthquake is a volcanic eruption that results in ground shaking.

What is the primary cause of the movement of Earth's tectonic plates?

• Convection currents.

• Magnetic field fluctuations.

• Solar radiation pressure.

• Gravitational pull from the moon.

List the correct order of Earth's layers starting from the surface.

• Crust, outer core, mantle, inner core

• Crust, mantle, outer core, inner core

• Mantle, crust, inner core, outer core

• Inner core, outer core, mantle, crust

What is a divergent boundary?

• A boundary where two tectonic plates move away from each other.

• A boundary where two tectonic plates collide.

• A boundary where two tectonic plates slide past each other.

• A boundary where tectonic plates remain stationary.