NJIT Phys 203 Exam 3 with Correct Answers
1. What percent of 97%
the Earth's water is
ocean?
2. Fathoms Measure ocean depth
3. Echo sounding Uses timing of echoes to determine depth
4. SONAR Sound Navigation And Ranging
5. Where is the deep- Mariana Trench
est part of the
ocean?
6. How much of the 5%
ocean floor has
been mapped in de-
tail?
7. Parts of ocean near Continental slope, shelf, and rise
continent
8. What is an ocean Largest flattest surface
basin
9. Seamounts Mountains close to the oceanic ridge; rocks are youngest
10. Table Mounts Flat top mountains
11. Abyssal Hills Closest to continent; oldest rocks
12. Active geological ac- West coast of SA, Continental Trench
tivity/margin
13. Passive Margin Barely any activity
1/7
, NJIT Phys 203 Exam 3 with Correct Answers
14. Type of rock on Biogenic sedimentary rock
ocean floor
15. Most abundant salt Sodium Chloride (NaCl)
in the ocean
16. Turbidity Currents Underwater landslide
17. Salinity of water The amount of salt in the water as a fraction of the total amount of water;
measured by salinometer
18. Amount of salinity in 3 1/2 %
ocean
19. Brackish water kind of salty
20. Hypersaline water very salty
21. Seawater salt at average salinity
22. Limnological water very little water
23. Halocline steeply changing salinity
24. Isohaline constant salinity
25. Thermocline steeply changing temperature of water (equator)
26. Isothermal Cline constant temperature of water (poles)
27. Temperature + Salin- Density
ity
28. Pycnocline steeply changing density
2/7
1. What percent of 97%
the Earth's water is
ocean?
2. Fathoms Measure ocean depth
3. Echo sounding Uses timing of echoes to determine depth
4. SONAR Sound Navigation And Ranging
5. Where is the deep- Mariana Trench
est part of the
ocean?
6. How much of the 5%
ocean floor has
been mapped in de-
tail?
7. Parts of ocean near Continental slope, shelf, and rise
continent
8. What is an ocean Largest flattest surface
basin
9. Seamounts Mountains close to the oceanic ridge; rocks are youngest
10. Table Mounts Flat top mountains
11. Abyssal Hills Closest to continent; oldest rocks
12. Active geological ac- West coast of SA, Continental Trench
tivity/margin
13. Passive Margin Barely any activity
1/7
, NJIT Phys 203 Exam 3 with Correct Answers
14. Type of rock on Biogenic sedimentary rock
ocean floor
15. Most abundant salt Sodium Chloride (NaCl)
in the ocean
16. Turbidity Currents Underwater landslide
17. Salinity of water The amount of salt in the water as a fraction of the total amount of water;
measured by salinometer
18. Amount of salinity in 3 1/2 %
ocean
19. Brackish water kind of salty
20. Hypersaline water very salty
21. Seawater salt at average salinity
22. Limnological water very little water
23. Halocline steeply changing salinity
24. Isohaline constant salinity
25. Thermocline steeply changing temperature of water (equator)
26. Isothermal Cline constant temperature of water (poles)
27. Temperature + Salin- Density
ity
28. Pycnocline steeply changing density
2/7
