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Plate Tectonics Project Flashcards | StudBud
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Plate Tectonics Project
Plate Tectonics Project
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Flashcards
41 cards
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Questions
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Answers
1
What makes L waves so dangerous?
Their compression motion
Their rolling motion
Their up and down motion.
2
How old is the ocean floor?
265 million years in some parts
200 million years in some parts
2017?
281 million years in some parts.
3
What was one way Wegener proved continental drift?
Volcanoes
GPS locations
Magnetic striped
How the continents happen to fit like puzzle pieces.
4
What is the risk of Colorado having a, major earthquake?
None
They happen all, the time
Earthquake
Very small
5
L waves are the most powerful type of wave?
YES
NO
6
Why does the earth's crust move?
Earthquakes move the plates
Convection currents
Continental drift
Large volcano eruptions
7
How many layers dose the Earth have?
five
sixe
Four
three
8
What happens a continent, continent convergent boundary?
The land slides apart
Mountains, and mountain ranges
Ridges
9
S waves are the strongest Type of wave?
NO
YES
10
Why are volcanic gasses so toxic?
It mostly water vapor so it's fine
significant amounts of carbon dioxide, sulfur dioxide
because they travel really far from the eruption
11
What happens at continent continent divergent boundaries?
Volcano
Mountains form
Great rift valley
12
What is the area directly above the focus point called?
Focus
Transform
Epicenter
Convergent
13
When was GPS tech invented?
1971
1973
1980
1975
14
What is particle motion?
How fast different types of matter moves
P and s waves
Shock waves
15
How do you prepare for a volcano eruption?
Get outside, and enjoy
Use goggles, put damp cloth over face, stay indoors
Stay calm cool and collected
Run away
16
Are P waves the most destructive waves?
NO
YES
17
What was another way Wegener proved continental drift?
Puzzle fit
Volcano evidence
The same fossils on different continents
Where the water was and is now
18
What does it mean of contour lines are far apart?
Little or no slope in the area
A hole or dip
A big hill
lake or ocean
19
What forms at a divergent plate boundary in the ocean?
a hot-spot
Mid- Atlantic ridges, volcano
Nothing
20
What is the location where the earthquake begins?
Epicenter
Magnitude
Divergent
Focus
21
What was the highest magnitude earthquake in history?
10.1
8.93
9.5
9.39
22
What causes earthquakes?
Humans
Rocks snapping along a fault line, releasing energy
Volcanoes
23
What is the last wave to arrive after an earthquake?
L wave
P wave
Z Wave.
S wave
24
What is the first wave to arrive during an earthquake?
P wave
L wave
S wave
K wave
25
Why are Lahars dangerous?
Whats a lahar
because it's like lava
Because they flow fast and are very destructive?
There no danger it's just a muddy river
26
Why is volcano ash a hazard?
Decreased visibility, and skin irritation
Whats ash?
There is none
27
Around what time was sea floor spreading theory accepted?
1940' 1950's
1950's 1960's
1970's 1980's
3017
28
Why is Lava a hazerd?
Its fast moving and kills humans
because it flows into the ocean
Destruction of property and trees.
There is no danger
29
what is a convergent plate boundary in the ocean?
Transform plate
A rift occurs
Mountains
Volcano, and island, and the denser crust will be subducted
30
What dose it mean if the counter lines are closer together?
Flat land
That's were a river flows
It is either a cliff or a hill
31
What happens to a plate after seduction?
It sinks and eventualy melts in the mantle
It makes a mountain
I makes an ocean
It sinks into the core
32
What happens at an ocean continent convergent boundary?
Land will slide apart
Ocean plate will get subducted
continental plate will get subducted
33
What is the second wave to arrive after an earthquake?
P wave
L wave
S wave
M wave
34
What are types of earthquake waves?
Only water has waves
M and D waves
All types of waves
Primary and secondary, and surface waves
35
What happens after an earthquake?
Resulting damage will include toppled buildings, and tsunami
Nothing everything will remain the same
A volcano will appear
36
What is Paleomagnetism?
Contour lines
Study of the record of the Earths magnetic field in rocks
Study of rocks
Magnets how do they work
37
What are ways earthquakes cause damage?
Lava
Magnitude, tsunamis, liquefaction, shaking, fire, landslides
Pyroclastic plow
38
When was paleomagnetism first used?
1952
1960
1968
1963
39
What forms at a transform plate boundary?
Lava
Shifted ground
A mountain
A volcano
40
Who was
Alfred Wegener?
known for his idea of continental drift hypothesized in 1912
Known or his theory of volcanoes
Known for his theory of tsunamis
Known for his theory of plate boundaries
41
Why is a pyroclastic flow dangerous?
Because it flows down the side of a volcano at immense speed
Because it travels so slow
it's not because it just gas and pebble
Because it's made of water
