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Ring of Fire Flashcards | StudBud
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Ring of Fire
Ring of Fire
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1
Why do Ring of Fire volcanoes emit carbon dioxide containing carbon 12?
from coal
from dead trees
From dead phytoplankton
from carbon in the core
2
Volcanoes can be explosive due to the build-up gases in.............
Runny fluid lava
lava with high viscosity
Lava with low viscosity
Thick sticky lava
3
What fraction of the Earth's volcanoes occur on the Ring of Fire?
4/5
1/2
3/4
1/4
4
A tsunami devastated Alaska in 1964, it was caused by a ...........................
underwater micro-thrust earthquake
underwater mega-thrust earthquake
a mega-thrust earthquake onland
A mega-volcano in Alaska
5
New Zealand sites on the Pacific Plate and what other plate?
Antarctic Plate
South American Plate
Indo-Australian Plate
Polar Plate
6
GPS data shows North America is moving how many inches per year?
0.3 inches
30 inches
3 inches
300 inches
7
What is the scale called for measuring earthquakes?
Richter scale
Earthquake scale
Magnitude scale
Shaking scale
8
Stratovolcanoes form what shape?
Dome
Uplifted shelf
Caldera
Cone
9
The continents are moving due to _____________ _______________ in the mantle.
Convection currents
magma bubbles
Conduction currents
Radiation currents
10
Where on the earth does the Pacific Plate disappear
Faultlines
Underwater ridges
Mountain Ranges
Deep sea trenches
11
Ring of Fire volcanoes form mixed rocks containing limestone. Where is limestone formed?
The sea floor
The continental crust
Lime factory
Magma reservoir
12
How long is the Ring of Fire?
250 miles
2,500 miles
25 miles
25,000 miles
13
Which of the following countries is NOT on the Ring of Fire?
Australia
Indonesia
New Zealand
Alaska
14
What is the scale called for measuring earthquakes?
Richter scale
Magnitude scale
Earthquake scale
Shaking scale
15
Where is new seafloor created in the Pacific Ocean?
mid-oceanic trench
mid-sea ridge
mid-sea trench
mid-oceanic ridge
16
Which mineral in lava determines its viscosity or how thick it is?
Iron
Silicon
Quartz
Silica
17
Which of the following natural hazards could be caused by the Ring of Fire?
tsunami
hurricane
earthquakes
volcanoes
18
Which Ocean does the Ring of Fire surround?
Atlantic Ocean
Southern Ocean
Indian Ocean
Pacific Ocean
19
When one plate slides underneath another it is called a ________________ zone.
Subduction
Adduction
Trench
Reduction
20
What percentage of earthquakes occur along the Ring of Fire?
100%
80%
90%
50%
