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Foundations of planet Earth Flashcards | StudBud
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Foundations of planet Earth
Foundations of planet Earth
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1
an underwater cliff that drops off into the deepest areas of the oceans
oceanic trench
continental margin
abyssal plain
continental shelf
2
these formations cut across the abyssal plain. They can reach heights of 2000 to 3000 m
oceanic ridges
continental margin
continental shelf
oceanic trenches
3
the deepest layer of the Earth
mantle
crust
core
4
What regulates the Earth's temperature?
succession of day and night and seasons
the ozone layer
seasons
succession of day and night
5
which external force caused this?
organisms
wind
water
6
the outer layer of the planet:
mantle
crust
core
7
point on the surface where the earthquake's intensity is greatest and causes the mos damage
seismic waves
hypocentre
epicentre
8
it takes up 84% of the volume of the Earth
mantle
core
crust
9
The Earth has both .... and ... water
salt and hot
fresh and cold
fresh and salt
hot and cold
10
millions of years ago, there was a single continent called ____
Pancreas
Pangea
Pantanasia
Panthalassa
11
The tectonic plates float on the _____
core
atmosphere
crust
mantle
12
area inside the Earth where the earthquake originates.
epicentre
hypocentre
seismic concentration
13
when a seismic movement happens under the sea it is called a _____
tsunami
seaquake
ocean earthquake
14
seismic movements spread out in all directions in the form of ______
earthquakes
seismic waves
richter's waves
15
Tectonic plates don't move anymore
False
True
16
which theory explains the formation of the continents and the existence of tectonic plates?
greenhouse effect theory
ozone layer theory
continental drift theory
17
the atmospehre creates a natural _______ that regulates the Earth temperature
greenhouse effect
ozone layer
green layer
18
the Earth's relief is ____ changing
never
constantly
sometimes
19
the gaseous layer that protects the Earth from harmful solar radiation
hydrosphere
lithosphere
atmosphere
20
which external force caused this?
organisms
water
wind
21
the deposited sediments from the river form a ____ usualy in a triangular shape
end
deltic end
delta
22
the wind can ....
form dunes
create different shapes on rock
build roads
dissolve rocks from caves
23
what are the EXTERNAL forces that transform the relief?
rivers and ocean waves
wind, water and organisms
earthquakes and volcanoes
folds and faults
24
which external force caused this?
water
organisms
wind
25
the Earth is composed by ____ concentric layers
3
4
2
1
26
which external force caused this?
wind
water
organisms
27
____ occur when the tectonic plates collide and the materials in the rock are hard and rigid
faults
folds
28
the continental crust is made up of ___ continents
5
7
6
4
29
the water is found in three physical states:
gas, liquid and solid
solid, fresh and warm
gas, solid and salt
30
a great plain in the deepest part of the seas and oceans
continental margin
abyssal plain
oceanic ridges
continental shelf
31
part of the continent that is underwater
continental shelf
abyssal plain
valley
continental margin
32
which external force caused this?
organisms
wind
water
33
which external force caused this?
water
organisms
wind
34
the intensity of earthquakes is measured on the ...
Richter scale
Licht scale
scale of earthquakes and seaquakes
35
a natural elevation of the land
canyon
basin
valley
mountain
36
the magma that reaches the surface in a volcanic eruption
pyroclastic rocks
lava
ash
37
an are of flat land
mountain
moor
plain
38
all the water on the planet
atmosphere
lithosphere
greenhouse effect
hydrosphere
39
there are ___ oceans
4
6
5
7
40
____ occur when the tectonic plates collide and the materials in the rock are soft and flexible
faults
folds
41
which external force caused this?
wind
organisms
water
