Download Date: Earth Science Reference Tables Practice 1. What kind of plate

Name: _______________________________
Date:_______________
Earth Science Reference Tables Practice
1. What kind of plate boundary is located at 60°S, 160°W
(1) Divergent
(2) Convergent
(3) Transform
(4) Complex
2. According to the ‘Tectonic Plates’ map of the ESRT, which statement is best supported by the relative
movement shown by the arrows?
(1) North and South America are moving towards each other
(2) The Indian-Australian plate is moving away from the Eurasian plate
(3) The African plate and the Eurasian plate are moving away from the North American plate
(4) The Antarctic plate is moving away from the North American plate
3. Which geologic structure is represented by the double line separating the North American plate from
the African and Eurasian plates?
(1) Thick continental crust
(2) Thick layers of sediment
(3) A mid-ocean ridge
(4) Gigantic igneous rock
4. Which feature is commonly formed at a plate boundary where oceanic crust converges with
continental crust?
(1) a mid-ocean ridge
(2) an oceanic trench
(3) a transform fault
(4) new oceanic crust
5. Evidence of subduction exists at the boundary between
(1) African and South American plates
(2) Indian-Australian and Antarctic plates
(3) Pacitic and Antarctic plates
(4) Nazca and South American plates
6. What do mid-ocean ridges and hot spots have in common?
(1) They are associated with rising magma
(2) They are associated with present-day plate boundaries
(3) They are commonly associated with earthquakes at great depth
(4) Neither is associated with plate motions
7. Which of the following statements is supported by the Tectonic Plate map of the ESRT?
(1) Divergent boundaries are associated with oceanic trenches
(2) Convergent boundaries are associated with mid-ocean ridges
(3) Most hotspots are located on transform boundaries
(4) Oceanic tranches are usually located at convergent plate boundaries
8. What is the location of the St. Helena hot spot?
(1) 18°N, 10°W
(2) 18°S, 10°E
(3) 20°N, 10°W
(4) 18°S, 10°W
9. Based on the direction of movement shown by the arrows, the San Andreas fault should be classified
as a
(1) Convergent fault
(2) Divergent fault
(3) Transform fault
(4) Complex fault
10. Based on information in the ERST what is the present direction of movement of the Indian-Australian
plate?
(1) Towards the northeast
(2) Towards the southwest
(3)Towards the east
(4) Towards the southeast
11. As depth increases, what is the relationship among density, temperature, and pressure inside the
earth?
(1) Density, temperature and pressure all decrease
(2) Density and temperature increase but pressure decreases
(3) Density increases but temperature and pressure decrease
(4) Density, temperature and pressure all increase
12.In which parts of the Earth’s interior would melted or partially melted material be found?
(1) Stiffer mantle and inner core
(2) Stiffer mantle and outer core
(3) Crust and inner core
(4) Asthenosphere and outer core
13. How does the composition of the oceanic crust compare with the composition of the continental
crust?
(1) Oceanic crust is mostly limestone, while continental crust is mostly sandstone
(2) Oceanic crust is mostly limestone, while continental crust is mostly granite
(3) Oceanic crust is mostly basalt, while the continental crust is mostly sandstone
(4) Oceanic crust is mostly basalt, while the continental crust is mostly granite
14. The composition of some meteorites supports the inference that Earth’s core is composed of
(1) Aluminum and calcium
(2) Iron and nickel
(3) Silicon and oxygen
(4) Magnesium and potassium
15. The temperature of the rock located 1,000 kilometers below the Earth’s surface is approximately
(1) 1,000°C
(2) 2,600°C
(3) 3,200°C
(4) 4,300°C
16. Which part of the Earth’s interior has a density of 11.3g/cm3
(1) Crust
(2) Mantle
(3) Outer Core
(4) Inner Core
17. Together the crust and the rigid mantle form the
(1) MOHO
(2) Asthenosphere
(3) Lithosphere
(4) Stiffer mantle
18. In which state of matter is the material of the outer core?
(1) Solid
(2) Liquid
(3) Partially melted
(4) Gas
19. What is the pressure at a depth of 4,000 km inside of the Earth?
(1) 5,800 atm
(2) 2.3 million atm
(3) 1,800 atm
(4) 43 million atm
20. At what depth inside the earth is the temperature 4,200°C
(1) 2,000 km
(2) 5,800 km
(3) 1,000 km
(4) 6,400 km
21. A seismographic station records a travel time difference of 3 minutes between P-waves and S-waves
of an earthquake. Approximately how far is the seismic station from the epicenter of the earthquake?
(1) 1,000 km
(2) 1,500 km
(3) 3,200 km
(4) 4,800 km
22. P waves arrive at a seismic station at 12:09:00 PM. S waves from the same earthquake arrive at
12:18:20. How far from the seismic station is the epicenter?
(1) 9,200 km
(2) 3,600 km
(3) 8,000 km
(4) 4,800 km
23. The time that an earthquake occurred can be inferred by knowing the
(1) Arrival time of the P-waves
(2) Arrival time of the S-waves
(3) Distance between seismic station
(4) Epicenter distance and arrival time of the P-waves
24. A seismic station is 2,000 km from the epicenter of an earthquake. If P waves arrive at 4:15:00 PM,
at what time will S waves from the same earthquake arrive?
(1) 4:11:40 PM
(2) 4:18:20 PM
(3) 4:22:20 PM
(4) 7:20:00 PM
25. If it takes P-waves 7 minutes to travel from an epicenter to a seismic station, how long will it take S
waves from the same earthquake to arrive at the station?
(1) 19 minutes
(2) 9 minutes 20 seconds
(3) 1 minute 40 seconds
(4) 12 minutes 40 seconds
26. An earthquake occurs at 1:15:00 AM. S waves from that earthquake arrived at a seismic station of at
1:25:00 AM. At what time did the P waves arrive?
(1) 1:20:40 AM
(2) 3:00:00 AM
(3) 5:40:00 AM
(4) 1:26:20 AM
27. At equal depths in the Earth, S-waves travel
(1) Always faster than P waves
(2) Always slower than P waves
(3) Always at the same rate as P-waves
(4) Sometimes slower and sometimes faster than P-waves
28. According to the Earth Science Reference Tables, if a seismograph station records a difference in
arrival times between P-waves and S-waves of 4 minutes, how far away is the epicenter of the
Earthquake?
(1) 1,000 km
(2) 1,900 km
(3) 2,600 km
(4) 5,200 km
29. A seismic station is 4,000 km from an epicenter. P waves arrive at 2:23:00 PM. What is the time of
origin of the earthquake?
(1) 2:10:20 PM
(2) 7:00:00 PM
(3) 2:16:00 PM
(4) 2:18:40 PM
30. The time lapse between the arrival of P-waves and S-waves at one seismograph recording station
can be used to determine the
(1) Magnitude of the earthquake
(2) Exact location of the epicenter
(3) Exact depth of the earthquake
(4) Distance to the epicenter
You can find the answer to these questions on the following sites
Questions 1-10
http://www.regentsearth.com/Illustrated%20ESRT/Page%205%20(Tectonic%20Plates)/TectonicsMC.ht
ml
Questions 11-20
http://www.regentsearth.com/Illustrated%20ESRT/Page%2010%20(Earth's%20Interior)/Properties%20o
f%20the%20Earth's%20InteriorMC.html
Questions 21-30
http://www.regentsearth.com/Illustrated%20ESRT/Page%2011%20(Earthquake%20Travel%20Time)/Qu
akesMC.html