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 9
At a convergent boundary between an oceanic and a continental plate, which plate subducts?
Describe what happens at a divergent boundary between two oceanic plates.
Describe what happens at a subduction zone.
Explain how convection currents in the mantle cause plate movement.
Explain the difference between a fault and a plate boundary.
Explain why earthquakes are common along plate boundaries.
Explain why oceanic crust sinks below continental crust at subduction zones.
Name the process where one tectonic plate moves under another at a convergent boundary.
Which of the following best describes the lithosphere?
(1) The liquid outer core
(2) The rigid outer layer of Earth
(3) The soft mantle
(4) The inner core
Which of the following best explains why fossils of the same species are found on different continents?
(1) Similar climates
(2) Plate tectonics and continental drift
(3) Human migration
(4) Ocean currents
Which of the following is a direct result of seafloor spreading?
(1) Formation of mountain ranges on land
(2) Creation of new oceanic crust
(3) Formation of deep ocean trenches
(4) Earthquakes in the mantle
Which of the following is a famous example of a transform boundary?
(1) San Andreas Fault
(2) Mid-Atlantic Ridge
(3) Himalayas
(4) Andes Mountains
The boundary where two plates slide past each other horizontally is called a ________ boundary.
The Earth's lithosphere is broken into large pieces called ________.
The movement of plates is measured in centimeters per ________.
The process of new oceanic crust forming at mid-ocean ridges is called ________.
True or False: At a divergent boundary, two tectonic plates move away from each other.
True or False: Oceanic crust is generally denser than continental crust.
True or False: Plate tectonics is responsible for the distribution of earthquakes, volcanoes, and mountain ranges.
True or False: Plate tectonics only affects the Earth's surface and not its interior.
