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- 1. Multiple Choice
Which of these describes Layer 4 in the diagram?contains hot liquid mineralscomposed of solid iron and nickelmade up of brittle, rocky, slow-moving plates - 2. Multiple ChoiceEarth is made of different layers that have varying characteristics. Which is the thickest layer?mantleinner coreouter corecrust
- 3. Multiple ChoiceA cross section of Earth is shown. Which labeled part is thought to be composed primarily of iron and nickel?1234
- 4. Multiple ChoiceIn which layer of Earth is convection MOST important for transferring heat?crustmantleinner coreouter core
- 5. Multiple ChoiceWhich layer of the Earth is broken into tectonic plates?corelithospheremantletroposphere
- 6. Multiple ChoiceThe inner core of Earth is solid because of theextreme presssurerate of rotationmagnetic fieldrock composition
- 7. Multiple ChoiceIf you were to dig to the center of the Earth, in what order would you come to the different layers?inner core, outer core, mantle, crustcrust, outer core, inner core, mantleouter core, crust, mantle, inner corecrust, mantle, outer core, inner core
- 8. Multiple Choice
The crust and upper mantle make up Earth's
lithosphere
asthenosphere
Core
continents
- 9. Multiple Choice
According to Wegener's hypothesis of continental drift,
Earth's surface is made up of seven major landmasses.
the continents do not move
Earth is slowly cooling and shrinking.
The continents were once joined together in a single landmass and have slowly drifted apart to their current location.
- 10. Multiple Choice
Which type of evidence was NOT used by Alfred Wegner to support his continental drift hypothesis?
evidence from landforms
evidence from fossils
evidence from climate
evidence from human remains
- 11. Multiple Choice
Most geologists rejected Alfred Wegner's idea of continental drift because
Wegner could not identify a force that could move the continents.
Wegner was interested in what Earth was like millions of years ago.
Wegner used several different types of evidence to support his hypothesis.
They were afraid of a new idea.
- 12. Multiple Choice
Seafloor spreading occurs because
new material is being added to the asthenosphere
earthquakes break apart the ocean floor
sediments accumulate at the area of spreading
molten material beneath Earth's crust rises to the surface
- 13. Multiple Choice
Earth's tectonic plates sit atop and slide along which of these layers?
lithosphere
asthenosphere
core
crust
- 14. Multiple Choice
The theory of _________ suggests that Earth's crust and upper mantle are broken into plates that float and move around on a plastic like layer of the mantle.
continental drift
seafloor spreading
plate tectonics
boundaries
- 15. Multiple Choice
Plates move apart at ______ boundaries.
convergent
stable
divergent
transform
- 16. Multiple Choice
Two plates move together at a ________ boundary.
divergent
transform
convergent
stable
- 17. Multiple Choice
_____ are formed when two continental plates collide.
volcanoes
strike-slip faults
mountain ranges
rift valleys
- 18. Multiple Choice
A ______ forms where two oceanic plates collide.
hot spot
subduction zone
transform boundary
rift valley
- 19. Multiple Choice
A rift valley forms at a
convergent boundary
divergent boundary
transform boundary
deep ocean trench
- 20. Multiple Choice
The _______ is (are) an example of a transform boundary.
Appalachian Mountains
Himalayas
Mid-Atlantic Ridge
San Andreas Fault
- 21. Multiple Choice
Earthquakes commonly occur at a _____ boundary.
convergent
divergent
transform
convection
- 22. Multiple Choice
Scientists have observed that the plates move at rates ranging from 2 cm to 10 cm per _____.
century
decade
day
year
- 23. Multiple Choice
Plates slide past one another at ________.
subduction zone
transform boundaries
convection currents
divergent boundaries
- 24. Multiple Choice
The Red Sea marks a boundary between two tectonic plates that are moving apart. What name is given to this type of plate tectonic boundary?
divergent boundary
convergent boundary
transform boundary
phase boundary
- 25. Multiple Choice
Most of the Earth's volcanoes are located along the __________.
West Coast
Ring of Fire
Mid-Ocean Ridge
Hawaiian Islands
- 26. Multiple Choice
The Hawaiian Island chain was formed along which of the following?
Hot spot
Seafloor spreading
convergent boundary
divergent boundary
- 27. Multiple Choice
Pangaea was Alfred Wegner's name for
the places where plates meet
the landmass made up of all of the continents
the process that moves Earth's plates
the lithosphere
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