Study Guide Earthquake Test

Front 1

Normal / tension

Back 1

Fault and force at a divergent boundary

Front 2

Strike- slip / shearing

Back 2

Faults and forces at a transform boundary

Front 3

Triangulation

Back 3

Locating the earthquake epicenter by drawing three circles and finding where the three intersect is called

Front 4

Make- up and size layer

Back 4

Scientist have been able to use earthquake waves to find out what about the earth

Front 5

Seismic wave

Back 5

Vibrations caused by energy released when q break occurs at a fault is

Front 6

Primary wave

Back 6

Earthquake wave that arrive at the surface first

Front 7

Surface waves

Back 7

Earthquake waves that cause the ground to shake and make rocks roll like an ocean wave

Front 8

Right angles

Back 8

The movement of rock particles during the passage of S waves

Front 9

Back and Forth

Back 9

The movement of rock particles during the passage of P waves

Front 10

Primary / secondary / surface waves

Back 10

The sequence of waves during an earthquake from first to last

Front 11

Shearing

Back 11

Force that causes plates to move sideways past each other

Front 12

Compression

Back 12

Type of stress that produces reverse faults

Front 13

Normal

Back 13

What type of fault is created by tensional forces

Front 14

Strike - slip

Back 14

A fault where rocks slip past each other sideways

Front 15

Shear

Back 15

Type of force at a strike slip fault

Front 16

Tension

Back 16

Force that pushes rock in opposite directions

Front 17

Seismic wave

Back 17

Changes in Earth’s interior have been detected due to

Front 18

Compression

Back 18

The force that squeezes rocks together

Front 19

Earthquakes

Back 19

When the force on rocks is great enough , they break, producing vibrations called

Front 20

Faults

Back 20

Once the elastic limit of rocks is passed , they break and move along surface called

Front 21

Seismograph

Back 21

Measuring the time between the arrival of P and s waves determine the distance between the epicenter and the

Front 22

Focus

Back 22

Point A where energy is initially released during the earthquake is called the

Front 23

Epicenter

Back 23

Point B is called the earthquake

Front 24

Normal

Back 24

What type of fault is illustrated in this diagram

Front 25

Mantle

Back 25

A layer of hot rock

Front 26

Convergent

Back 26

When arrows at a plate boundaries are point towards each other it is a

Front 27

Divergent

Back 27

When arrows are pointed away from teach other at plate boundaries it is