seismic waves and earthquakes

Question 1

earthquake is the movement…

Answer 1

of layers of the earth

Question 2

seismic waves are vibrations of…

Answer 2

the earth

Question 3

seismic waves are caused by the…

Answer 3

the sudden release of energy stored from the plate tectonics

Question 4

what are the 2 types of seismic waves?

Answer 4

body waves and surface waves

Question 5

what are 2 types of body waves?

Answer 5

P-waves and S-waves

Question 6

what are the 2 types of surface waves?

Answer 6

love waves and rayleigh waves

Question 7

in what direction do compressional waves moves?

Answer 7

back and forth

Question 8

in what direction do transverse waves move?

Answer 8

up and down motion

Question 9

in what manner do love waves move?

Answer 9

side to side

Question 10

which is the fastest wave?

Answer 10

love wave

Question 11

in what manner do rayleigh moves?

Answer 11

circular

Question 12

what wav causes great damage?

Answer 12

rayleigh waves

Question 13

what is the instrument used in measuring an earthquakes magnitude?

Answer 13

seismometer

Question 14

what causes an earthquake?

Answer 14

stresses cause by plate movement that are released

Question 15

what are the unit of measurements for earthquakes?

Answer 15

intensity and magnitude

Question 16

how is intensity measured?

Answer 16

by its effects

Question 17

how is magnitude measured?

Answer 17

by its energy

Question 18

what scale do we use to measure intensity?

Answer 18

Mercalli Scale