問題一覧
1
extinct plant found in 250 million year old rocks
glossopteris
2
what is divergent plate boundary
this is where plates move apart
3
what are the geologic events
earthquake, subduction
4
kilometers of shallow earthquakes
0 to 60 kilometers
5
another name for transform fault boundary
strike-slip fault or conservative fault
6
crack that is formed in land or continents
fault
7
it can cause mass destruction
earthquake
8
formed when continental and oceanic plates collide
continental volcanic arc
9
the year 'plate tectonic theory' is formulated
1960
10
example of strike-slip fault
san andreas fault
11
it rises and sinks during convetion currents
magma
12
fossils found in south america and africa. freshwater reptiles
mesosaurus, lystosaurus
13
what is subduction
sinking of oceanic plater or bending of plates
14
kilometers of deep earthquakes
more than 300 kilometers
15
what is the other term for magnetic reversal
magnetic flip
16
formed during divergebt plate boundary between ocean plates
mid-oceanic ridge
17
what are the types of earthquake
shallow, intermediate, deep
18
year 'continental drift theory' formulated
1912
19
give 1 example of a mountain range
himalayas
20
new seafloor is formed
seafloor spreading
21
chain of mountains
mountain range
22
what are the types of heat transfer
conduction, convection, radiation
23
in mantle convection, where is heat being generated
core
24
japanese term for "harbor wave"
tsunami
25
what are the 3 types of convergent boundary
continental-oceanic, two oceanic, two continental
26
is a soft, weak, and plastic-like layer where lithospheric plates move
asthenosphere
27
what is a transform fault boundary
formed when two plates are sliding past each other
28
why do older oceanic plate sinks
because it's denser and the newer oceanic plates are less dense
29
another example of convection excluding mantle convection
boiling of water
30
where do convection current happens
mantle
31
what are the layers of the earth
crust, mantle, inner core and outer core
32
another term for pangea
all earth
33
what are the 3 types of plate boundaries
diverge, convergent, transform fault
34
crack that is formed during transform fault boundary in land or continent
fault
35
what is the plate tectonic theory
movement of lithospheric plates
36
who discovered the continental drift theory
alfred lother wegener
37
who is the originator of seafloor spreading
harry hammond hess
38
what are the geologic features
mountains, trenches, volcanoes
39
what are the 2 types of lithospheric plates
continental crust & oceanic crust
40
what are the 7 continents of the world
south america, north america, europe, africa, asia, antartica, australia