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WorksheetsExploring Plate Tectonics
Total questions: 10
Worksheet time: 5mins
What are the three main types of plate boundaries?
Fracture, Shear, Tension
Divergent, Convergent, Transform
Subduction, Compression, Expansion
Lateral, Radial, Axial
Describe the characteristics of a convergent boundary.
Convergent boundaries are where tectonic plates move apart, causing rift valleys.
Convergent boundaries are characterized by tectonic plates sliding past each other, leading to minimal geological activity.
Convergent boundaries are defined by tectonic plates remaining stationary, resulting in no earthquakes or volcanic activity.
Convergent boundaries are characterized by tectonic plates moving towards each other, leading to subduction, earthquakes, volcanic activity, and mountain formation.
What type of movement occurs at a transform boundary?
Lateral movement or sliding past each other.
Vertical movement or up and down
Converging towards each other
Diverging away from each other
Explain the process of ocean floor spreading.
Ocean floor spreading leads to the formation of mountain ranges on land.
Ocean floor spreading occurs only at continental shelves.
Ocean floor spreading is the process by which new oceanic crust is formed at mid-ocean ridges and older crust is pushed away.
Ocean floor spreading is the result of tectonic plates colliding.
What geological features are commonly formed at divergent boundaries?
Mid-ocean ridges, rift valleys, and volcanic islands.
Plateau formations
Deserts
Mountain ranges
How do tectonic plates interact at subduction zones?
Tectonic plates interact at subduction zones by one plate being forced under another, leading to geological features like trenches and volcanic activity.
Tectonic plates slide past each other without interaction.
One plate rises above the other, creating mountain ranges.
Plates remain stationary, causing no geological changes.
What evidence supports the theory of plate tectonics?
Weather patterns
Magnetic field reversals
Ocean currents
Evidence supporting the theory of plate tectonics includes continental drift, fossil distribution, geological similarities, and seismic activity.
Describe the role of mantle convection in plate movements.
Plate movements are solely caused by ocean currents.
Mantle convection has no effect on tectonic plates.
Mantle convection cools the Earth's surface and stops plate movement.
Mantle convection drives the movement of tectonic plates through convection currents in the Earth's mantle.
What is the significance of the mid-ocean ridge?
The mid-ocean ridge is a site for underwater volcanoes only.
The mid-ocean ridge marks the boundary between continental plates.
The mid-ocean ridge is primarily responsible for ocean currents.
The mid-ocean ridge is significant for seafloor spreading and the formation of new oceanic crust.
How do earthquakes relate to plate tectonics?
Earthquakes are solely caused by volcanic activity, not plate movements.
Earthquakes are caused by the movement of tectonic plates at their boundaries.
Earthquakes occur randomly and have no relation to tectonic plates.
Tectonic plates are formed by the heat generated from earthquakes.
