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WorksheetsChapter 10 & Chapter 11 - Plate Tectonics & Earthquakes
Total questions: 23
Worksheet time: 17mins
Name
Class
Date
1.
plasticlike layer of Earth on which the lithosphere plates float and move around
a)
asthenosphere
b)
lithosphere
c)
liquefaction
d)
Pangaea
2.
Wegener's hypothesis that all continents were once connected in a single large landmass that broke apart about 200 million years ago and drifted slowly to their current positions
a)
convection current
b)
continental drift
c)
plate tectonics
d)
seafloor spreading
3.
current in Earth's mantle that transfers heat in Earth's interior and is the driving force for plate tectonics
a)
seafloor spreading
b)
continental drift
c)
convection current
d)
plate tectonics
4.
rigid layer of Earth about 100 km thick, made of the crust and part of the upper mantle
a)
asthenosphere
b)
plate
c)
epicenter
d)
lithosphere
5.
large ancient landmass that was composed of all the continents joined together
a)
Pangaea
b)
plate
c)
continental drift
d)
asthenosphere
6.
a large section of Earth's oceanic or continental crust and rigid upper mantle that move around on the asenthosphere
a)
plate tectonics
b)
plate
c)
continental drift
d)
convection current
7.
theory that Earth's crust and upper mantle are broken into plates that float and move around on a plastic like layer of the mantle
a)
convention current
b)
continental drift
c)
plate tectonics
d)
seaflooring spreading
8.
Hess's theory that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge
a)
convection current
b)
continential drift
c)
seafloor spreading
d)
plate tectonics
9.
vibrations produced when rocks break along a fault
a)
earthquake
b)
epicenter
c)
fault
d)
focus
10.
point on Earth's surface directly above an earthquake's focus
a)
earthquake
b)
epicenter
c)
fault
d)
focus
11.
surface along which rocks move when they pass their elastic limit and break
a)
earthquake
b)
focus
c)
fault
d)
epicenter
12.
in an earthquake, the point below Earth's surface where energy is released in the form of seismic waves
a)
liquefaction
b)
fault
c)
epicenter
d)
focus
13.
occurs when wet soil acts more like a liquid during an earthquake
a)
liquefaction
b)
seafloor spreading
c)
fault
d)
focus
14.
measure of the energy released during an earthquake
a)
earthquake
b)
magnitude
c)
surface wave
d)
liquefaction
15.
break in rock caused by tension forces, where rock above the fault surface moves down relative to the rock below the fault surface
a)
fault
b)
earthquake
c)
normal fault
d)
reverse fault
16.
seismic wave that moves rock particles back-and-forth in the same direction that the wave travels
a)
seismic wave
b)
surface wave
c)
secondary wave
d)
primary wave
17.
break in rock caused by compressive forces, where rock above the fault surface moves upward relative to the rock below the fault surface
a)
reverse fault
b)
normal fault
c)
strike-slip fault
d)
fault
18.
seismic wave that moves rock particles at right angles to the direction of the wave
a)
primary wave
b)
secondary wave
c)
surface wave
d)
seismic wave
19.
wave generated by an earthquake
a)
primary wave
b)
secondary wave
c)
seismic wave
d)
surface wave
20.
instrument used to register earthquake waves and record the time that each arrived
a)
epicenter
b)
magnitude
c)
liquefaction
d)
seismograph
21.
break in rock caused by shear forces, where rocks move past each other without much vertical movement
a)
strike-slip fault
b)
normal fault
c)
reverse fault
d)
fault
22.
seismic wave that moves rock particles up-and-down in a backward rolling motion and side-to-side in a swaying motion
a)
primary wave
b)
surface wave
c)
secondary wave
d)
seismic wave
23.
seismic sea wave that begins over an earthquake focus and can be highly destructive when it crashes on shore
a)
magnitude
b)
seconday wave
c)
tsunami
d)
primary wave
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