|
|
4
|
thin dense part of crust
|
5
|
use numbers to show the strength of earthquakes
|
6
|
part of earth where life exist
|
8
|
all water on, under or above earth
|
12
|
solid part of earth
|
13
|
radioactive isotope breaks apart
|
14
|
all gases above earth
|
15
|
67% of the earth
|
16
|
study of earthquakes
|
17
|
strength of an earthquake
|
18
|
two plates rub together to make a vibration
|
|
|
|
|
1
|
liquid layer of earth
|
2
|
1% of earth
|
3
|
measure strength of earthquakes
|
7
|
seismic waves with particles of rock that move side to side
|
9
|
mostly made of iron
|
10
|
32% of earth
|
11
|
seismic waves with particles of rock that move back and forth
|
|
|