What is the theory that explains how Earth's plates move?
A) Continental Drift
B) Plate Tectonic Theory
C) Seafloor Spreading
D) Rock Cycle
Answer: B) Plate Tectonic Theory
What force helps pull a sinking plate into the mantle?
A) Ridge push
B) Slab pull
C) Basal drag
D) Seafloor spreading
Answer: B) Slab pull
Which plate is the largest on Earth?
A) Eurasian Plate
B) Pacific Plate
C) North American Plate
D) African Plate
Answer: B) Pacific Plate
What happens when two oceanic plates collide?
A) A mid-ocean ridge forms
B) A subduction zone forms
C) They slide past each other
D) A mountain range forms
Answer: B) A subduction zone forms
What is a rift valley?
A) A deep trench in the ocean
B) A crack where plates pull apart on land
C) A mountain range formed by colliding plates
D) A volcano in the ocean
Answer: B) A crack where plates pull apart on land
Which layer of the Earth is broken into tectonic plates?
A) Inner Core
B) Outer Core
C) Lithosphere
D) Asthenosphere
Answer: C) Lithosphere
What type of plate boundary forms mountains like the Himalayas?
A) Convergent
B) Divergent
C) Transform
D) Rift Valley
Answer: A) Convergent
What evidence supports plate tectonics?
A) Earthquakes and volcanoes along plate boundaries
B) Fossils on different continents
C) Seafloor spreading
D) All of the above
Answer: D) All of the above
Which type of boundary creates deep ocean trenches?
A) Convergent
B) Divergent
C) Transform
D) Rift Valley
Answer: A) Convergent
Which force is the result of gravity pulling a subducting plate downward?
A) Ridge push
B) Slab pull
C) Basal drag
D) Convection currents
Answer: B) Slab pull
What is the main force that moves tectonic plates?
A) Gravity
B) Convection currents in the mantle
C) Wind
D) Tidal waves
Answer: B) Convection currents in the mantle
Which type of crust is denser?
A) Continental crust
B) Oceanic crust
C) Both are the same
D) Mantle
Answer: B) Oceanic crust
What process forms new oceanic crust?
A) Subduction
B) Ridge push
C) Seafloor spreading
D) Slab pull
Answer: C) Seafloor spreading
What type of boundary is the San Andreas Fault?
A) Convergent
B) Divergent
C) Transform
D) Rift Valley
Answer: C) Transform
Why do earthquakes occur at convergent boundaries?
A) The plates are moving apart
B) One plate is forced under another, creating pressure
C) The plates stay still
D) Convection currents pull them apart
Answer: B) One plate is forced under another, creating pressure
Which type of plate boundary occurs when two plates move apart?
A) Convergent
B) Divergent
C) Transform
D) Subduction
Answer: B) Divergent
What feature is formed at a divergent boundary in the ocean?
A) Mid-ocean ridge
B) Mountain range
C) Rift valley
D) Deep-sea trench
Answer: A) Mid-ocean ridge
Where do most earthquakes and volcanoes occur?
A) Middle of tectonic plates
B) Along plate boundaries
C) In the ocean only
D) Near the equator
Answer: B) Along plate boundaries
What is the process where one plate is forced down into the mantle?
A) Ridge push
B) Slab pull
C) Subduction
D) Basal drag
Answer: C) Subduction
Which of these is NOT a type of plate boundary?
A) Transform
B) Convergent
C) Divergent
D) Subduction
Answer: D) Subduction
What happens at a transform boundary?
A) Plates move toward each other
B) Plates move apart
C) Plates slide past each other
D) One plate sinks under another
Answer: C) Plates slide past each other
What is subduction?
A) When plates move apart
B) When one plate sinks beneath another
C) When plates slide past each other
D) When magma rises to the surface
Answer: B) When one plate sinks beneath another
What is the name of the process where magma pushes up at a mid-ocean ridge?
A) Ridge push
B) Slab pull
C) Convection currents
D) Subduction
Answer: A) Ridge push
Which force drags plates along with flowing mantle material?
A) Ridge push
B) Slab pull
C) Basal drag
D) Seafloor spreading
Answer: C) Basal drag
What causes the movement of Earth's tectonic plates?
A) Earth's rotation
B) The pull of the Moon
C) Convection currents in the mantle
D) The force of gravity alone
Answer: C) Convection currents in the mantle