Multiple Choice
Multiple Choice
M.C.
M.C.
Fill in theBlank
100
The crust and the upper mantle make up Earth's ___________________. A. core b. Asthenosphere C. lithosphere d. continents
What is c.lithosphere?
100
The hypothesis that continents have slowly moved to their current location is called _________________. a. continental slope b. convection c. magnetic reversal d. continental drift
What is d continental drift?
100
Plates of the lithosphere float on the _______________. a. crust b. asthenosphere c. core d. atmosphere
What is b. asthenosphere?
100
__________________currents inside Earth might drive plate motion. a. Horizontal b. Convection c. Vertical d. None of the above
What is b. convection?
100
Plates slide past one another at _________________. a. divergent boundaries b. transform boundaries c. subduction zones d. convection currents
What is b. transform boundaries?
200
The alignment of iron minerals in rocks when they are formed reflects that Earth's _____________ has reversed itself several times in the past. a. asthenospher b. gravity c. magnetic field d. core
What is c. magnetic field?
200
The presence of the same __________________ on several continents supports the hypothesis of continental drift. a. rocks b. fossils c. neither a nor b d. both a and b
What is d. both a and b.
200
Plates move apart at ___________ boundaries. a. divergent b. transform c. convergent d. stable
What is a. divergent?
200
Matching __________________on different continents are evidence for continental drift. a wind systems. b. weather patterns c. river systems d. rock structures
What is d. rock structures?
200
Plates move together at a ________________.
What is convergent boundary?
300
Active volcanoes are most likely to form at _____________. a. transform boundaries b. divergent boudaries c. convergent-oceanic-continental boundaries d. the center of continents
What is c. convergent oceanic-continental boundaries?
300
The Andes mountain range of South America was formed at a ____________________. a. hot spot b. divergent boundary c. transform boundary d. convergent boundary
What is d. convergent boundary?
300
Continental drift states that continents have moved ______________ to their currect location. a. slowly b. quickly c. very little d. vertically
What is a. slowly?
300
The boundary between two plates moving together is called a _______________. a. transform boundary b. divergent boundary c. lithosphere d. convergent boundary
What is d. convergent boundary?
300
One plate is forced under another in a________________.
What is subduction zone?
400
The _________________ are mountains formed by the collision of the Indo-Australian Plate and the Eurasian Plate? a. Alps b. Himalayas c. Appalachians d. Rockies
What is b. Himalayas?
400
A ______________________ forms where two oceanic plates collide. a. transform boundary b. hot spot c. rift valley d. subduction zone
What is d. subduction zone?
400
A __________________ is a sensitive device used to detect magnetic fields on the seafloor. a. seismometer b. magnetometer c. geologist's compass d. Glomar
What is b. magnetometer?
400
______________________ are formed when two continental plates collide. a. Rift valleys b. Strike-slip faults c. Mountain ranges. d. Volcanoes
What are c. Mountain ranges?
400
A _____________________ is an underwater mountain chain.
What is a mid-ocean ridge?
500
A lack of explanation for continental drift prevented many scientists from accepting that a single supercontinent called __________________ once existed.
What is Pangaea?
500
Seafloor spreading occurs because ________________. a. earthquakes break apart the ocean floor. b. sediments accumulate at the area of spreading c. new material is being added to the asthenosphere. d. molten material beneath Earth's crust rises to the surface.
What is d. molten material beneath Earth's crust rises to the surface?
500
The results of plate movement can be seen at _______. a. plate boundaries b. abyssal plains c. ocean margins d. plate centers
What is a. plate boundaries?
500
The ____________________ is (are) an example of a transform boundary. a. Himalaya b. Mid-Atlantic Ridge c. San Andreas Fault d. Appalachian Mountains
What is c. San Andreas Fault?
500
The Great Rift Valley in Africa is a____________________.
What is a divergent boundary?
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