NEW
Font size
S
M
L
XL
WorksheetsEarth Science Review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Scientists estimate that the Earth is approximately ____ years old.
a)
4,600
b)
4.6 million
c)
46 million
d)
4.6 billion
2.
The ______ of the Earth is mostly made up of iron and contains roughly one-third of the Earth's mass.
a)
crust
b)
mantle
c)
core
d)
lithosphere
3.
The tectonic plates move on the ___________ -- the soft, upper layer of the mantle.
a)
lithosphere
b)
asthenosphere
c)
mesosphere
d)
ionosphere
4.
Which scientist described the theory of continental drift?
a)
Alfred Wegener
b)
Charles Darwin
c)
James Hutton
d)
Charles Lyell
5.
____________ is when hot rock from deep within the Earth rises, but cooler rock sinks.
a)
Ridge push
b)
Convection
c)
Slab pull
d)
Seismic shift
6.
_________ is the sudden return of elastically deformed rock to its undeformed shape.
a)
Plastic deformation
b)
Elastic deformation
c)
Elastic rebound
d)
Plate shift
7.
Scientists use a(n) __________ to record vibrations in the ground and determines the location and strength of an earthquake.
a)
seismograph
b)
seismogram
c)
S-P graph
d)
compass
8.
The _______ is the point along a fault at which the first motion of an earthquake occurs.
a)
epicenter
b)
focus
9.
True or False? The gap hypothesis states that a major earthquake is more likely to occur along the part of an active fault where many earthquakes have occurred recently.
a)
True
b)
False
10.
A 2.0 earthquake on the Richter Magnitude Scale
a)
would cause widespread damage.
b)
causes damage at the epicenter.
c)
could be felt by most people at the epicenter.
d)
would only be detected by a seismograph.
11.
Magma with a high water content would cause a(n) _____________ eruption.
a)
explosive
b)
nonexplosive
12.
_____________ volcanoes are made of pyroclastic material usually produced from moderately explosive eruptions.
a)
Shield
b)
Cinder cone
c)
Strato-
d)
Composite
13.
A(n) ________ is a wide, flat landform that results from repeated nonexplosive eruptions of lava.
a)
crater
b)
caldera
c)
lava plateau
d)
cirque
14.
____________ are volcanically active places on the Earth's surface that are far from plate boundaries.
a)
Mantle plumes
b)
Dormant areas
c)
Gaps
d)
Hot spots
15.
Which of the following is NOT a clue that a volcano might erupt?
a)
A change in the volume and composition in volcanic gases
b)
Swelling on the side of a volcano
c)
Changes in the surface temperature of a volcano
d)
A history of no recent eruptions
Reset
