What is the main theory behind plate tectonics?
The Earth’s core is made of solid iron only.
Earth's outer layer is divided into large, moving pieces.
Earth's continents are fixed in place.
The Earth’s crust is completely solid and does not change.
What is formed when two tectonic plates collide at a convergent boundary?
Mountain ranges or deep ocean trenches
Earthquakes ONLY
Volcanoes
Ocean ridges
The process of one tectonic plate sliding underneath another is known as:
Earthquake
Subduction
Seafloor spreading
Convection
What is the primary force driving the movement of tectonic plates?
Wind currents
Convection currents in the mantle
The Earth's rotation
Earth's magnetic field
Which of the following is an example of a divergent boundary?
The Himalayan Mountains
Mount St. Helens
The Mid-Atlantic Ridge
The San Andreas Fault
Earthquakes are most commonly associated with which type of plate boundary?
All types of plate boundaries cause earthquakes
Convergent
Transform
Divergent
The Himalayas were formed by the collision of which two tectonic plates?
African and South American
Pacific and North American
Indian and Eurasian
North American and Eurasian
What is the Ring of Fire?
A region where many meteor impacts occur
A famous earhquake zone in the Atlantic Ocean
A series of volcanoes in the Pacific Ocean
A belt of volcanic activity in the Arctic
Which of the following is TRUE about the theory of continental drift?
The movement of continents is caused by ocean currents.
There was once a supercontinent called Pangaea.
Continental drift is unrelated to plate tectonics.
The continents have always been in their current positions.
Where are most volcanic eruptions like to occur?
In places where there are no plate movements
In the middle of continents
At transform boundaries
At convergent and divergent plate boundaries
Which of the following is NOT evidence supporting the theory of plate tectonics?
The distribution of similar fossils across continents
The matching of rock layers on different continents
The presence of deep ocean trenches only at mid-ocean ridges
The shape of the continents, which appear to fit together
What happens at a transform boundary?
Plates move away from each other and form new crust.
Plates move towards each other and form mountains.
Plates slide past each other horizontally; earthquakes
Plates move downward into the mantle.
What is seafloor spreading?
The sinking of oceanic plates at subduction zones
When new oceanic crust is created at mid-ocean ridges
The formation of new volcanoes in the ocean
The movement of continents across the ocean floor
Which of the following best describes the Earth's lithosphere?
The layer of molten rock beneath the crust
A region where oceanic plates meet continental plates
The inner core of the Earth
The rigid outer layer, which is broken into tectonic plates
Which major tectonic plate is composed of almost 100% oceanic crust?
Eurasian
Pacific
North American
African
