UNIT TEST

THE GREAT EARTHQUAKE EXAM - "IT'S SHAKIN'!"

____ 1. There are as many as _______ earthquakes that occur each year.

a. 1000000 b. 10000 c. 100000 d. 50000

____ 2. Of that number, we only consider about how many actually move the

earth's surface? (not necessarily a "major" quake)

a. 2 b. 15 c. 75 d. 3000

____ 3. The shaking of the earth's crust caused by a fast release of energy is better known as a what? a. tremor b. rumble c. tsunami d. earthquake

____ 4. The major motion of earthquakes involves the movement of the: a. asthenosphere b. inner core c. lithosphere d. atmosphere

____ 5. When an earthquake occurs in the ocean, it is the start of this very destructive action. What is that called?

a. tidal wave b. mega-splash c. hurricane d. tsunami

____ 6. Which of the statements is MOST responsible for major earthquakes?

a. Shaking from an eruption of a volcano

b. The collapse of a cavern or mining shaft

c. Stress tha builds between two lithospheric plates

d. The impact of a meteor

____ 7. When two plates snap back to their original form but in a whole new position; we call this what?

a. snap-back theory c. elastic-rebound theory

b. bouncing-back theory d. snap-rebound theory

____ 8. A ____________ boundary is responsible for shallow earthquakes; where as a _____________ boundary causes real deep earthquakes.

a. rift; hot spot c. rift; subduction b. subduction; rift d. subduction; hot spot

____ 9. The place inside the earth where the earthquake occurs is called:

a. a rift b. a epicenter c. a fault d. a focus

____ 10. The point directly above (on the surface) the location of the earthquake is called:

a. a rift b. a epicenter c. a fault d. a focus

____ 11. The actual split in the ground (usually at 45O) is called:

a. a rift b. a epicenter c. a fault d. a focus

____ 12. Earthquake waves which move particles up and down is called:

a. P waves b. S waves c. L waves d. surfing waves

____ 13. Earthquake waves which move particles side to side is called: a. P waves b. S waves c. L waves d. tidal waves

____ 14. Earthquake waves which move particles back and forth is called:

a. P waves b. S waves c. L waves d. tsunamis

____ 15. The machine that registers earthquake activity is called a:

a. seismoputer b. seismogram c. seismograph d. pulsator

____ 16. The paper cylinder that registers the actual waves is called a: a. seismoputer b. seismogram c. seismograph d. pulsator

____ 17. This wave will always arrive first on the recording device in #15. What is this wave called?

a. S wave b. L wave c. P wave d. tsunamis

____ 18. Most of the earthquakes in the world occur by: a. Subduction Boundary b. Hot Spots c. Rift d. Composite

____ 19. In which state is an earthquake least likely to occur? a. California b. Arizona c. Missouri d. Florida

____ 20. What scale do we measure seismic activity with the most? a. Seismo Scale c. Stricker Scale

b. Richter Scale d. Bathroom Scale

____ 21. What major earthquake occured in the year 1906? a. Monterrey Quake c. San Fransisco Quake

b. San Andreas Quake d. Los Altos Quake

Match the following terms to their characteristics

____ 22. Travels half the speed of compressional waves a. P waves

b. S waves

____ 23. Travels the fastest of all waves c. L waves

d. tsunamis

____ 24. Only travels through solids

____ 25. Caused by ocean-originated earthquakes

____ 26. Can travel through anything

____ 27. Travels only on the surface

____ 28. The only seismic wave not considered a body wave

____ 29. Often called a shear wave

____ 30. This one is considered a compressional wave

____ 31. Most destructive wave to areas on coastlines around the world