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Natural Hazards 1a and Plate Tectonics 1 Flashcards | StudBud
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Natural Hazards 1a and Plate Tectonics 1
Natural Hazards 1a and Plate Tectonics 1
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#Summit Power Focus Area Quiz over Natural Hazards 1a and Plate Tectonics 1
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1
What created the Hawaiian islands?
A hot spot moved under the crust to create lots of volcanoes
The crust moved over a hot spot to create lots of volcanoes
An oceanic plate subducted, creating volcanoes
Hawaiian islands are not volcanoes
2
Circular motion created in liquids and gases when hot materials rise and cold materials sink
Conduction
Convection
Radiation
3
Which of the following is an opinion about volcanic activity?
The 1991 eruption of Mt Pinatubo was the scariest eruption
Volcanoes are made of hardened lava
A large number of volcanoes are around the Pacific Ocean
Shield volcanoes can create new land
4
Place the following from highest to lowest temperature: A.Lithosphere B.Mantle C.Core
BCA
ABC
CBA
CAB
5
The Himalayan mountains (and Mt. Everest) were formed because of a
convergent boundary
hot spot
transform boundary
divergent boundary
6
Harry Hess' mapping during World War 2 led to evidence for seafloor spreading. What did he use?
rock samples
studies of living things
sonar surveys (sound waves)
underwater cameras
7
Most volcanoes occur along diverging plate boundaries or at subduction zones.
True
False
8
What scale do geologists use to measure earthquakes today?
The moment magnitude scale
The Mercalli scale
The Richter scale
The seismograph scale
9
What is this instrument called?
Seismograph
Electrograph
Richter Scale
Barometer
10
Which of these are evidence of Alfred Wegener's theory of continental drift?
the fit of the continents
all of these
the distribution of ancient fossils
similar rocks on the opposite sides of oceans
11
Another word for the focus, or where the earthquake starts below the surface is the...
epicenter
focus
hypocenter
shopping center
12
What is a break in the Earth's crust where slabs of rock slip past each other?
Plate tectonics
Fault
Air mass
Hot spot
13
The Earth's continents were one giant continent called...
McDonalds
Wegener
Pangaea
Eurasia
14
When lava is underground it is called magma.
true
false, when magma is underground it is called lava
15
Which is NOT one of the three types of stress to occur in the earth's crust?
shear
tension
divergence
compression
16
How do tsunami waves compare to regular ocean waves?
They're generally much flatter
They extend deeper underneath the water's surface
They contain much more debris
They're generally much wider
17
Why are surface waves more destructive than the initial seismic wave in an earthquake?
It creates more sustained motion on the surface
It travels further from the hypocenter
It reaches the surface faster
It reaches deeper below the surface
18
The place where two plates move apart is called a
convergent boundary
divergent boundary
transform boundary
19
What's the main cause of most earthquakes?
Pressure from within Earth's crust
Changes in temperature in Earth's mantle
Human activity
Hurricanes
20
The more ___ magma contains, the thicker it is.
air
silica
carbon dioxide
lava
21
Oceanic crust is ____________________ than continental crust
less hot
less dense
more dense
more hot
22
What does sea floor spreading do?
create large mountains on continents
preserve fossils
create new crust
destroy the earth's plates
23
This volcano is normally one of the smallest types. Mexico's Paracutin is this type.
None of these
Cinder cone volcano
Stratovolcano
Shield volcano
24
What type of fault is the San Andreas Fault?
a transform fault
a normal fault
a reverse fault
a strike-slip fault
25
The area around the Pacific Ocean is often called the ____ because there are so many volcanoes.
Circle of Earthquakes
Ring of Fire
Pacific Plate
Subduction Zone
