問題一覧
1
Look at the figure below. (1) The crust is
A
2
(2) The mantle is
B
3
(3) The outer core is
C
4
(4) The inner core is
D
5
(5) The liquid part is
C
6
6) C and D are mainly made of
Iron
7
(7) The Mohorovičić discontinuity is the boundary between
A and B
8
Part① is
SiO2
9
Part② is
Al2O3
10
Part③ is
Fe
11
(11) Which is thinner, oceanic crust or continental crust?
Oceanic crust
12
(12) Where does the exploration vessel CHIKYU aim to reach by drilling by 2030?
Mantle
13
(13) Methods to investigate the inner structure of the Earth are
Both
14
(14) An example of longitudinal waves is
Sound wave
15
(15) An example of transverse wave is
X-ray
16
(16) Secondary wave is
Transverse wave
17
(17) In the Earth's interior, the density ( ) with depth.
increases
18
(18) The pressure of the mantle is ( ) the pressure of the core.
lower than
19
(19) Which type of seismic waves can travel through the outer core?
P-waves
20
20) What layer is 83% of the Earth‘s volume?
Mantle