Mapping the Inner Earth

Question 1

waves of energy that travel through the earth’s layers

Answer 1

Seismic Waves

Question 2

sudden release of energy from the earth

Answer 2

Earthquake

Question 3

highly sensitive instrument that DETECTS seismic waves

Answer 3

seismometer

Question 4

records the seismic waves

Answer 4

seismograph

Question 5

where earthquake occurs

Answer 5

focus

Question 6

point within earth where the rocks break and where seismic energy is first released

Answer 6

focus

Question 7

point on the earth’s surface directly above the focus

Answer 7

epicenter

Question 8

measures the magnitude of the earth’s earthquake

Answer 8

richler scale

Question 9

travels just below or along the ground’s surface

Answer 9

surface waves

Question 10

slower than body waves

Answer 10

surface waves

Question 11

rolling movement, slower

Answer 11

rayleigh waves

Question 12

side-to-side movement, faster

Answer 12

love wave

Question 13

travel through earth by causing particles in rocks to compress and stretch apart in the direction of the wave

Answer 13

primary waves

Question 13

travels through different layers

Answer 13

body wave

Question 13

can travel through solid layers only

Answer 13

secondary waves

Question 14

travel through earth by causing particles in rock to move right angles to the direction of the wave

Answer 14

secondary waves