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- 1. Multiple Choice
Which best describe the Earth's tectonic plates?
Something dinner is served on
Giant pieces of moving crust that float on the mantle
Huge mountains at the bottom of the world's oceans
Static and unmoving
- 2. Multiple Choice
What is the theory called that states that the crust of the Earth is broken into pieces called plates that move randomly by floating on the mantle?
continental drift
sea floor spreading
plate tectonics
magnetic striping
- 3. Multiple Choice
What do you call the area where two or more plates come together?
plate boundaries
plate outlines
plates
continents
- 4. Multiple Choice
The youngest material of the ocean floor is found at mid-ocean _________.
ridges
trenches
basins
rifts
- 5. Multiple ChoiceThe presence of the same ________ on several continents supports the idea of continental drift.rocksfossilsboth fossils and rocksneither fossils nor rocks
- 6. Multiple ChoiceA lack of evidence for continental drift prevented many scientists from believing a single supercontinent called _________ existed.GlossopterisPangaeaGondwanalandMesosaurus
- 7. Multiple Choice
Many scientists think hot plastic-like rock in the mantle is forced upward toward the surface, cools, and sinks. This process is called a(n) _________.
earthquake
convergent boundary
volcano
convection current
- 8. Multiple ChoiceThe _________ is the thinnest layer of Earth.outer coreinner coremantlecrust
- 9. Multiple Choice
_______ are formed when two continental plates collide.
Mountain ranges
Transform faults
Rift valleys
Volcanoes
- 10. Multiple ChoicePlates move apart at _________ boundaries.volcanicdivergentconvergenttransform
- 11. Multiple ChoiceThe San Andreas Fault in California is an example of a ________.divergent boundaryconvergent boundarytransform faultsubduction zone
- 12. Multiple Choice
Which type of plate boundary occurs at B?
convergent
divergent
transform
country
- 13. Multiple ChoiceWhich type of plate boundary is shown at A?transform boundaryconvergent boundarydivergent boundaryfractured boundary
- 14. Multiple Choice
The Hawaiian island volcanoes are located in the middle of a plate. How were they created?
Subduction of one plate under another
Transform boundaries sliding past each other
Two plates are pulling apart at a divergent boundary
Hawaii is sitting over a hot spot where the magma is pushing up
- 15. Multiple Choice
What island is the oldest due to the plate moving?
A
B
C
D
- 16. Multiple Choice
There is a new student at your school from California. She explains that they had earthquake drills at their school. Why do you think California schools have these drills?
Earthquakes can happen anywhere... including California.
California is at a divergent boundary.
The San Andres fault is in California. It is a transform boundary.
California just likes to be on the safe side!
- 17. Multiple Choice
When plates slide past each other, we call this a ___________ boundary.
Transform
Divergent
Convergent
Subduction
- 18. Multiple Choice
When a more dense plate sinks below another, we call this
convergent
divergent
transform
subduction
- 19. Multiple Choice
Where do both earthquakes and volcanoes commonly form?
Divergent boundaries
Transform boundaries
Plate boundaries
Middle of the ocean
- 20. Multiple Choice
What can form at convergent boundaries?
Mountains
Volcanoes
Rift Valley
Trenches, mountains, and volcanoes
- 21. Multiple Choice
What is it called when two tectonic plates interact/touch?
Transform
Shear
Boundary
Earthquake zone
- 22. Multiple ChoiceWhich ocean in the world is also known as the "Ring of Fire"AtlanticIndianArcticPacific
- 23. Multiple Choice
Define Ring of Fire
End The Test Now
A ring of volcanoes around the Pacific Ocean that result from subduction of oceanic plates beneath lighter continental plates. Most of the world's earthquakes, and about %75 of the worlds volcanoes occur here
A ring of volcanoes around the Atlantic Ocean that result from subduction of oceanic plates beneath lighter continental plates. Most of the world's earthquakes, and about %75 of the worlds volcanoes occur here
- 24. Multiple Choice
Which of the following best describes how the youngest rocks of ocean floor are at diverging boundaries, moving outward
Continental drift
Plate tectonics
Transform boundary
Seafloor spreading
- 25. Multiple Choice
Oregon and Washington's volcanoes are evidence of..
a transform boundary nearby
hot magma being stirred by rock creatures that live in the Earth
a divergent boundary is spreading apart
a subduction zone is nearby
- 26. Multiple Choice
The single large landmass made up of all the continents connected together that broke apart 200 million years ago
Pandaria
Asgard
Estacada
Pangea
- 27. Multiple ChoiceDuring convection, more dense currents _________ and less dense currents _________.sink, riserise, sink
- 28. Multiple Choice
Where do convection cycles happen?
core
mantle
crust
- 29. Multiple Choice
Why does hot mantle rise (go/move up)?
hot = less dense
hot = no change
hot = more dense
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