Plate Tectonics
Physics ⇒ Earth and Space Physics
Plate Tectonics starts at 7 and continues till grade 12.
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See sample questions for grade 10
A tectonic plate moves 5 cm per year. How far will it move in 1,000 years?
Describe how convection currents in the mantle contribute to plate movement.
Describe the process of subduction.
Describe what happens at a transform plate boundary.
Explain the difference between oceanic and continental plates.
Explain what happens at a convergent plate boundary.
Explain why earthquakes are common along plate boundaries.
Explain why mid-ocean ridges are higher than the surrounding ocean floor.
Name the three main types of plate boundaries.
What is the main driving force behind the movement of tectonic plates?
A seismologist records that the epicenter of an earthquake is located at a convergent boundary where an oceanic plate is subducting beneath a continental plate. Explain why this location is likely to experience both earthquakes and volcanic eruptions.
A tectonic plate has an area of 1.2 × 107 km2 and moves at an average speed of 4 cm/year. Calculate how many kilometers the plate will move in 2 million years.
Describe how paleomagnetic evidence in oceanic crust supports the theory of plate tectonics.
Explain how the movement of tectonic plates can lead to the formation of island chains such as the Hawaiian Islands. Include the role of hotspots in your answer.
Explain why the distribution of earthquakes and volcanoes around the world is not random.
