DIVERGENT
What does the Plate Tectonic Theory explain?
A. How plants grow on land
B. How rocks turn into soil
C. How Earth's plates move and cause earthquakes, volcanoes, and mountains
D. How clouds form in the sky
C. How Earth's plates move and cause earthquakes, volcanoes, and mountains
Who proposed the Continental Drift Theory?
A. Isaac Newton
B. Charles Darwin
C. Alfred Wegener
D. Albert Einstein
C. Alfred Wegener
What was the name of the supercontinent in the Continental Drift Theory?
A. Eurasia
B. Gondwana
C. Pangaea
D. Laurasia
C. Pangaea
Which fossil helped prove the Continental Drift Theory?
A. Tyrannosaurus rex
B. Glossopteris
C. Human bones
D. Woolly mammoth
B. Glossopteris
What causes volcanoes to form at convergent boundaries?
A. Plates sliding past each other
B. Plates pulling apart
C. One plate sinking under another
D. Plates moving upward
C. One plate sinking under another
What happens during seafloor spreading?
A. Mountains sink under the ocean
B. New crust forms at the mid-ocean ridge
C. Ocean water evaporates
D. Rocks float on water
B. New crust forms at the mid-ocean ridge
What forms when magma escapes through cracks in Earth's crust?
A. Earthquakes
B. Rainstorms
C. Volcanoes
D. Clouds
C. Volcanoes
What evidence supports the Continental Drift Theory?
A. Satellite images of continents
B. Similar fossils found on different continents
C. Same languages spoken around the world
D. Moon phases changing over time
B. Similar fossils found on different continents
Which of the following best describes a divergent boundary?
A. Two plates sliding past each other
B. Two plates colliding
C. Two plates moving away from each other
D. A plate sinking into the mantle
C. Two plates moving away from each other
What happens to the old oceanic crust as new crust forms at the mid-ocean ridge?
A. It rises to the surface
B. It melts and sinks back into the mantle
C. It turns into fossil fuel
D. It becomes part of the atmosphere
B. It melts and sinks back into the mantle
Volcanoes often form at what kind of plate boundary?
A. Divergent
B. Transform
C. Convergent
D. Static
C. Convergent
What is the driving force behind plate movement?
A. Gravity from the Moon
B. Earth’s magnetic field
C. Convection currents in the mantle
D. Wind pressure
C. Convection currents in the mantle
Why was Alfred Wegener's theory not accepted at first?
A. He had no college degree
B. He could not explain how the continents moved
C. He believed the Earth was flat
D. He was not a scientist
B. He could not explain how the continents moved
What feature forms when an oceanic plate sinks under a continental plate?
A. Ocean trench
B. Rift valley
C. Sand dune
D. Island chain
A. Ocean trench
Which of the following best explains why volcanic eruptions often occur near subduction zones?
A. The plates are cool and stable
B. The crust is too thick for magma to rise
C. Melting of the subducted plate produces magma
D. The ocean makes the crust weak
C. Melting of the subducted plate produces magma
Which discovery in the 1960s helped prove seafloor spreading?
A. Satellite imaging of ocean floors
B. The finding of dinosaur bones in the ocean
C. Magnetic stripes on the ocean floor
D. Fossil fuels under the sea
C. Magnetic stripes on the ocean floor
Which of the following is true about plate boundaries and earthquake activity?
A. Earthquakes only occur on land
B. Earthquakes are rare near plate boundaries
C. Earthquakes commonly occur at plate boundaries
D. Earthquakes only happen during volcanic eruptions
C. Earthquakes commonly occur at plate boundaries
Plate tectonics results in ______
A. Mountain-building
B. Earthquake
C. Volcanism
D. All the above options
D. All the above options
The relative movement of the plates ranges from _______ annually.
A. 0 to 10 mm
B. 0 to 1 mm
C. 0 to 100 mm
D. 10 to 1000 mm
C. 0 to 100 mm
The Earth’s mantle zone lying beneath the lithosphere is known as ______
A. Atmosphere
B. Asthenosphere
C. Biosphere
D. Hydrosphere
B. Asthenosphere
What are the two types of lithosphere?
The primary mechanism by which mountains are formed on continents is known as _______
A. Earthquake
B. Thunder
C. Orogeny
D. Volcanism
C. Orogeny
Orogeny is the phenomenon by which mountains are formed