WorksheetsEarth's Moving Crust
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
the point where an earthquake starts is called the focus
a)
True
b)
False
2.
geothermal energy is heat from below Earth's surface
a)
True
b)
False
3.
a central opening in a volcanic area through which magma may escape is called a hot spot
a)
true
b)
false
4.
the hot, molten rock below Earth's surface is the mantle
a)
true
b)
false
5.
plate tectonics is the idea that Earth's surface is broken into plates that move
a)
true
b)
false
6.
a crater is a wide gently sloped cone that forms from lava flows
a)
true
b)
false
7.
magnitude is the amount of energy released by an earthquake
a)
true
b)
false
8.
a seismograph is a sensitive device that detects the shaking of the crust
a)
true
b)
false
9.
a vibration that spreads out away from a focus when an earthquake happens is a seismic wave
a)
true
b)
false
10.
Earth's magma is the solid, rocky surface containing the continents and the ocean floor
a)
true
b)
false
11.
earthquakes often happen at boundaries called...
a)
plate
b)
transform
12.
giant ocean waves called _______ are formed when an earthquake occurs under the ocean floor
a)
tidal waves
b)
surface wave
c)
tsunamis
d)
hurricane
13.
twisted layers of rock provide evidence that the _____ is moving
a)
earth
b)
continents
c)
countries
d)
crust
14.
volcanoes are more jellylike to occur along _______ boundaries
a)
plate
b)
transform
15.
the plates move because of the rising and sinking matter in a...
a)
sea-floor spreading
b)
convection current
c)
tidal current
d)
wave
16.
if a lot of gases have escaped from the magma, lava is likely to flow out of the vent and form a...
a)
shield volcano
b)
molten rock
c)
cone volcano
d)
dome
17.
Pangaea is the name for
a)
large island
b)
one continent
c)
supercontinent
d)
land mass
18.
the formation of ridges and trenches in the ocean is explained by a theory called...
a)
sea-floor spreading
b)
plate boundaries
c)
transform boundaries
d)
volcanoes
19.
a surface ____ causes earth's crust to move up and down and side to side
a)
epicenter
b)
crash
c)
tsunami
d)
wave
20.
if you stood over the ______ of an earthquake, you would be the first person to feel the ground shake
a)
magnitude
b)
epicenter
c)
focus
100 %
