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Dynamic Earth Flashcards | StudBud
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Dynamic Earth
Dynamic Earth
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A short quiz to review key concepts
Flashcards
26 cards
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Questions
26
Answers
1
The Richter Scale measures the amount of energy released by an earthquake. Select the strongest
1
5
7
9
2
The Layer of the Earth that is completely solid Iron is
Outer Core
Mantle
Inner Core
Crust
3
Gases released from volcanic eruptions include
Carbon Monoxide
Hydrogen Sulfide
Carbon Dioxide
Water Vapour
4
This occures when molten rock heats up,rises to the surface, cools and returns to the mantle
Subduction Current
Converging Current
Convection Current
Magma Recycling
5
Evidence to support plate tectonics includes
Location of Volcanoes
Similar fossils on different land masses
Location of Earthquakes
all of the above
6
Tsunamis are caused by
Earthquakes near/in water
Volcanoes
Subduction zones
Movement along plate boundaries
7
The Earth's crust is broken up into many different sections called
Tectonic Plates
Oceanic Crust
Plates
Continental Crust
8
Tectonic Plates are made of two types of crust
Land and Toast
Continental and Oceanic
Land and Sea
Oceanic and Land
9
The Mantle is mostly composed of
Nickle and Iron
Solid Rock
Solid Iron
Partially Molten Rock
10
Most major earthquakes occur at
points where the crust is weak
when there is a build up of pressure between sliding plates
subduction zones
plate boundaries
11
Each increase of 1 on the Richter Scale produces _____ more energy than the previous number
30
20
10
60
12
What are the three volcano states
Erupting, Sleeping, Dormant
Active, Inactive, Dormant
Active, Dormant, Extinct
Live, Dormant, Extinct
13
Alfred Wegener developed a theory called ---------- in 1912
Continental Plates
Pangaea
Continental Float
Continental Drift
14
Subduction occurs when
oceanic crust is pushed below continental crust
continental and oceanic crust collide forming volcanoes
oceanic crust overlaps continental crust
continental crust sinks below oceanic crust
15
The Supercontinent was called
Panthalassa
Gondwana Land
Laurasia
Pangaea
16
When plates slide against each other they cause
oceanic ridges
mountain ranges
earthquakes
volcanoes
17
Pasty Lava can be identified by
large basalt plains
Lava Bombs
build up around volcano air vents
more violent eruptions
18
The four layers of the Earth in order (from the outside in) are
Inner Core; Mantle; Crust; Outer Core
Crust; Mantle; Outer Core; Inner Core
Crust; Mantle; Inner Core; Outer Core
Mantle; Crust; Outer Core; Inner Core
19
Which of the following describe a volcanic eruption
all of the above
pressure building in the Magma Chamber
ash and steam released through the vent
lava flow from vent
20
Do you think you know enough about this topic for your test?
I have a pretty good understanding but I need to study more
I need some help understanding this topic and will ask Ms. B
I don't feel like I know enough, Yet
Yes! I feel like I could sit the test now!
21
Underwater Ridges form when
Oceanic plates move apart
Continental plates move apart
Continental plates Converge
Oceanic plates converge
22
Plates can move in three main ways
Up, down, along
Apart, Together, Along
Separate, Push Into, Slide Past
Converge, Diverge, Transform
23
The Temperature of the Outer Core is around
~7000*C
500-2000*C
4000-6000*C
45*C
24
Severe Earthqueakes can occur when
pressure builds up due to an obstacle
plates slide by with no resistance
plates rush into each other
plates suddenly move apart
25
A Seismograph is
a machine used to measure earthquake
a graph displaying all earthquakes for the past 30 years
a scale used to describe earthquake strength
a machine used to locate earthquakes
26
Magma Recycling occurs when
rift valleys form
magma rises to the surface and forms new crust
volcanoes erupt
oceanic crust sinks below continental crust and melts
