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Mid term practice - Earth Science- Mrs. Malone Science Flashcards | StudBud
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Mid term practice - Earth Science- Mrs. Malone Science
Mid term practice - Earth Science- Mrs. Malone Science
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Earth Science 7th grade
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
A large area of flat land high above sea level is called a
syncline
plateau
canyon
fault
2
Stress that pushes a mass of rock in 2 opposite directions?
tension
shearing
compression
deformation
3
A collision between 2 pieces of continental crust at a converging boundary produces a
deep-ocean trench
rift valley
mountain range
mid-ocean ridge
4
What is Pangaea?
the name of a German scientist
name of the supercontinent that existed million of year ago
another name of continental drift
the name of an ancient fossil
5
When magma hardens in a volcanoe's pipe the result will eventally be a landform called a ?
volcanic neck
batholith
dike
sill
6
The rating system that estimates the total energy released by an earthquake is called the
Moment Magnitude scale
the seismic scale
Richter scale
the Mercalli scale
7
Compared to P waves and S waves , surface waves move
at the same rate
slower
farther from the epicenter
faster
8
Which type of stress force produces reverse faults?
compression
shearing
deformation
tension
9
In which location would would you most likely find volcanoes?
where 2 continental plates collide
along mid-ocean ridges where a plate is subducted
along transform boundaries
far from plate boundaries
10
What technology did scientists use in the mid-1900s to map the mid-ocean ridge?
sonar
deep-sea diving
satellites
submarines
11
What part of a simple seismograph starts to vibrate when seismic waves reach it?
wire
weight
drum
pen
12
How many seismograph data points are required to locate an earthquake's epicenter?
1
3
2
4
13
The point above the focus on Earth's surface is called
footwall
epicenter
syncline
focus
14
According to Wegener's hypothesis of continental drift
Earth is slowly cooling and shrinking
the continents were once joined together in a single landmas
Earths surface is made up of 7 major landmasses
the continents do not move
15
S waves are also known as
focus waves
secondary waves
primary waves
surface waves
16
Most geoligists think that the movement of Earth's plates is caused by
convection currents in the mantle
conduction
earthquakes
Earth's magnetic field
17
Tall cone shaped mountains in which layers of lava alternate with layers of ash are called?
cinder cone volcanoes
lava palteaus
composite volcanoes
shield volcanoes
18
In sea-floor spreading molten material rises from the mantle and erupts
along edges of all continents
at north and south poles
in deep-ocean trenches
along mid-ocean ridges
19
A fold in rock that bends upward into an arch is called
canyon
plateau
syncline
anticline
20
When layers of thin runny lava build up a high level area the results is a
composite volcano
cinder cone volcano
shield volcano
lava plateau
21
In a normal fault the part of the fault that lies below the other part is called the ?
reverse fault
hanging wall
anticline
footwall
22
The huge hole left by the collapse of a volcanic mountain is called a ?
lava plateau
shield volcano
caldera
cinder cone
23
Maps based on past seismographic data shows that earthquakes often occur where?
at plateau
In the centr of tectonic plates
in eastern Canada
along tectonic plate boundaries
24
Any trace of an ancient organism that has been preserved in rock is called a
landmass
landform
fossil
continent
25
Which of the following can cause damage days or months after a large earthquake?
the arrival of surface waves
convection
an aftershock
a tsunami
26
In a strike-slip fault the rock on either side of the fault slip past each other sideways with
little movement
little shaking
little noise
little up or down motion
27
A rift valley forms at a
divergent boudary
transform boundary
convergent plate boundary
deep-ocean trench
28
the main hazard from a quiet volcano eruption is?
lava flows
pyroclastic flows
geysers
volcanic gases