SC300 UNIT3 EXAM/ SC300 UNIT3 EXAM (25/25)
1. The theory of continental drift was first proposed by (Points : 3)
Francis Bacon
Charles Richter
Alfred Wegener
Isaac Newton
Albert Einstein
2. The theory of continental drift has undergone significant changes due to advances in technology and subsequent since it was first posed in
500 B.C.
1500
1912
1960
1985
3. Which of the following forms of evidence was used to formulate Wegener’s theory of Continental Drift?
1. the jigsaw-like pattern of continental coastlines
2. magnetism of the ocean basin rocks
3. discovery of the Mid-Atlantic Ridge
4. radiometric dating of the basaltic rocks
4. What form of technology first allowed researchers to confirm that the Mid-Atlantic Ridge exists?
Seismometer
topographic maps of the ocean floor
magnetometer
remote sensing via satellite
5. Earthquakes are known to occur at the following type of tectonic plate boundary
divergent
convergent
transform
all of the above
6. The scale for measuring the intensity of earthquakes was invented by
Francis Bacon
Charles Richter
Alfred Wegener
Isaac Newton
Albert Einstein
7. _____ waves cannot pass through ____ substances. Mapping the locations where these and other waves transmitted following an earthquake allows for the determining the layers of the _____, as well as the epicenter of an earthquake.
Compressional / solid / earth
Shear / liquid / earth
Compressional / solid / atmosphere
Shear / liquid / atmosphere
8. The following field of science studies the waves of movement in the crust of the Earth:
volcanology
Seismology
plate tectonics
lithology
athenology
9. A seismic wave in which the molecules in the rock move back and forth in the same direction as the wave is called
divergent
convergent
subductive
compressional
transformational
10. Which piece of evidence was not used to support of the theory of plate tectonics?
ages of rocks
magnetic properties of ocean floor materials
ocean floor topography
measurements from radio astronomy
fossils
11. Through the use of topographic mapping of the ocean floor, deep fissures in the ocean bottom can be located. These fissures are called
fault lines
trenches
the oceanic deep
a convergent zone
a divergent zone
12. Seismographs can measure the movement that emanates from an earthquake. This movement is called a
quake wave
seismic wave
fault wave
tectonic wave
magma wave
13. The study of paleomagnetism and the reversals of rocks supports
continentalism
geology
continental drift
seismology
volcanism
14. Which of the following show the order of technological developments related to studying seismology and plate tectonics?
Seismographs, Topographic maps of the ocean floor, Paleomagnetism, Radio Astronomy, Seismic Tomography
Radio Astronomy, Paleomagnetism, Topographic maps of the ocean floor,
Seismic Tomography, Seismographs
Seismographs, Paleomagnetism, Seismic Tomography, Topographic maps of the ocean floor, Radio Astronomy
Topographic maps of the ocean floor, Seismic Tomography, Paleomagnetism, Radio Astronomy, Seismographs
15. Which of the following was used as evidence for plate tectonics?
topographic profiles of the ocean floors
maps on rock magnetism
data classifying rocks by age
sea floor spreading
all of these are correct
16. Which of the following correctly describes earthquakes?
Earthquakes are an abrupt release of energy
Prediction of earthquakes is an established science, which gives global citizens a chance to evacuate ahead of time.
Earthquakes have never occurred in the middle of the USA
No earthquake has been measured higher than 7 on the Richter scale
All earthquakes happen within one kilometer of the Earth’s surface
17. What evidence convinced most scientists to accept the theory of plate tectonics?
ocean topography
magnetism of the ocean basin rocks
discovery of the Mid-Atlantic Ridge
radiometric dating of the basaltic rocks
all of these are correct
18. What causes the ‘Ring of Fire,’ which borders much of the Pacific Ocean?
plate subduction
divergent plates
sea-floor spreading
transform plate motion
all of these are correct
19. Which of these waves is classified as a type of seismic wave following earthquakes?
transverse
compressional
longitudinal
shear waves
all of these are correct
20. What is the force that moves continents and tectonic plates?
convection cells
mantle convection
radioactive decay
heat energy left from the great bombardment
all of these are correct
22. Divergent plate boundaries are associated with
seafloor spreading
formation of new crust
volcanic action
shallow, low-energy earthquakes
all of these are correct
23. Which of the following is an example of a continental convergent plate boundary?
the East African Rift Valley
the San Andreas Fault
the Atlantic east coast fall line
Mount St. Helens in the northwest United States
the Himalayan Mountains
23. The only currently active plate boundary within the continental United States is the
Marianas Trench
East-Pacific Rise
New Madrid Fault
San Andreas Fault
Mid-Atlantic Ridge
24. The transform plate boundaries
form new material at rates exceeding that of the divergent plate boundaries
are the location of island arcs and hot spots
created the Andes Mountains in South America
are exemplified by the San Andreas fault
are sites of major volcano ranges
25. The magnetic patterns from seafloor data
were created by magnetite in lava flows
are caused by hot spots
are indicators of past and future earthquake sites
have no one explanation accepted by scientists
always run perpendicular to the equator
