Tectonic Puzzles
The idea proposed by Alfred Wegener to explain the continental shapes and positions is known as _____.
A. Pangaea
B. Plate Tectonics
C. Elastic Rebound
D. Continental Drift
D. Continental Drift
80% of all earthquakes occur in the __________________.
A. Atlantic Belt
B. Mediterranean-Asiatic Belt
C. Caribbean Belt
D. Pacific Belt
80% of all earthquakes occur in the __________________. A. Atlantic Belt C. Mediterranean-Asiatic Belt B. Caribbean Belt D. Pacific Belt Answer: D
When two continental plates collide, edges of the continents are pushed upward to form:
A. rift valley
B. continental mountain range
C. trench
D. volcano
B. continental mountain range
Scientists think that convection currents flow in Earth's
A. continents
B. inner core
C. asthenosphere
D. lithosphere
C. asthenosphere
When magma reaches the earth’s surface, it is called:
Lava
According to the Continental Drift Theory, the Earth was one big supercontinent called:
Pangaea
Tsunamis are big waves that are caused by:
A. Strong winds
B. Cyclones
C. earthquake or volcano eruption on land
D. underwater earthquake or volcanic eruption
C. earthquake or volcano eruption on land
A boundary where plates move away from each other is called:
A. divergent
B. transform
C. convergent
D. shear
A. divergent
The outer core is made up of:
A. solid iron and nickel
B. liquid iron and nickel
C. solid iron and aluminum
D. liquid iron and aluminum
B. liquid iron and nickel
Which of the following increases with distance from a mid-ocean ridge?
A. Age of oceanic lithosphere
B. Thickness of the lithosphere
C. Density of the lithosphere
D. All of the above
C. Depth of the sea floor
What two specific continents fit together most noticeably?
A. Antarctica and Africa
B. South America and Africa
C. Africa and North America
D. South America and Europe
B. South America and Africa
What do transform plate boundaries create?
A. hurricanes
B. portal to purgatory
C. trenches
D. earthquakes
D. earthquakes
What kind of plate boundary results in the formation of most volcanoes?
A. divergent boundary
B. shear boundary
C. transform boundary
D. convergent boundary
D. convergent boundary
What drives tectonic plate movement?
A. magnetic field
B. gravity
C. convection currents
D. pressure
C. convection currents
If you visit a place in the pacific known to be along converging plates, which of these should you NOT expect to see?
A. active volcanoes
B. mountain ranges
C. rift valleys
D. volcanic islands
C. rift valleys
Which statement below best explains Wegener’s hypothesis of continental drift? A. Volcanic activity slowly reshapes the continents throughout the earth’s geologic history
B. The continents shift locations as a result of major catastrophe like meteorite impacts and earthquakes
C. The continents rapidly change places from one hemisphere to another when Earth’s magnetic field reverses.
D. The continents were once part of the same landmass and have drifted very slowly to their current positions.
B. The continents shift locations as a result of major catastrophe like meteorite impacts and earthquakes
When the Earth’s crust cracks and tension forms or develops due to transform boundaries, this phenomenon is called:
A. earthquake
B. tsunami
C. folding
D. faulting
D. faulting
How do the plates move at a transform boundary?
A. they move toward each other
B. they move away from each other
C. they move past each other
D. they do not move
C. they move past each other
The order of the layers from the inside of the Earth outward is:
A. inner core, outer core, mantle, crust
B. outer core, inner core, mantle, crust
C. inner core, outer core, crust, mantle
D. mantle, inner core, outer core, crust
C. inner core, outer core, crust, mantle
Why does the oceanic crust sink beneath the continental crust at the subduction zone?
A. The oceanic crust has a greater density
B. The oceanic crust is pulled downward by Earth’s magnetic field
C. The oceanic crust is pushed from the ridge
D. The continental crust has a denser composition
A. The oceanic crust has a greater density
The supercontinent called Pangaea was believed to exist ____ million years ago.
A. 120
B. 100
C. 200
D. 300
B. 100
What instruments records the ground movements caused by seismic waves?
seismograph
What kind of plate boundary results in the formation of the San Andreas fault?
A. divergent boundary
B. shear boundary
C. transform boundary
D. convergent boundary
C. transform boundary
Scientists believe that this layer is responsible for Earth’s magnetic field.
Outer core
Who proposed the theory of seafloor spreading?
Harry Hess