Part 1: Multiple Choice

a) Atlantic b) Indian

c) Pacific d) Arctic
____ 2. A diver might become ill if the gas, ________________, enters his tissues.

a) hydrogen b) carbon dioxide

c) nitrogen d) carbon monoxide
____ 3. Water covers about ________ percent of the Earth’s surface.

a) 78% b) 71%

c) 92% d) 68%
____ 4. The largest ocean is the ______________ Ocean

a) Atlantic b) Indian

c) Pacific d) Arctic
____ 4. Headquarters for bathymetric mapping are found in ______________.

a) Oslo b) Ottawa

c) Dartmouth d) Charlottetown
____ 5. The current tracking triad is made up of the following:

a) satellite, buoy, ship b) Nansen bottle, buoy, satellite

c) sensor, buoy, ship d) bathysphere, sonar, ship
____ 6. The first oceanographic vessel was the ________________.

a) Atocha b) Challenger

c) Victory d) Explorer
____ 7. The only substance that exists as a solid, liquid and a gas is _______________.

a) mercury b) water

c) oil d) lavender

____ 8. A turbidity current is one that:

1. 
   results from an underwater “land” slide b) exists only in ancient river beds
   

a) North Atlantic Current b) Labrador Current

c) Gulf Stream d) Canaries Current
____ 10. The Gulf Stream was first charted by ____________________.

a) Hans Brinkelman b) Jacques Cartier

c) Theodore Roosevelt d) Benjamin Franklin
____ 11. The sextant was invented in 1713 and was used to find __________________.

a) current speed b) current direction

b) longitude d) latitude
Answer each of

____ 12. The term “ghost nets” refers to those nets

1. 
   lost or left behind b) that are stored
   

a) they enjoyed rough seas b) they might catch more fish

c) they were dared by others d) they liked the name
____14. The current bringing warm water to Nova Scotia is called the:

a) Canaries Current b) Beluga Current

c) North Equatorial Current d) Gulf Stream

Part 1I: Fill in the Blanks. Complete each of the following with the correct word or words.
1. Two major causes of ocean currents are __________________ and _________________________.
2. The major cause of oil pollution is _________________________.
3. Deep sea organisms need special sense organs because _______________________________.
4. An ocean profile refers to ______________________.
5. The continental shelf is important because __________________________________.
6. The purpose of the Nansen bottle is to ________________________.
7. The “global conveyor belt” refers to _______________________________________________.
8. “Upwelling” produced by bottom currents brings _____________ to the surface.
9. Sailors realized long ago there are “rivers” in the oceans. We call them _________________.
10. The Atocha was Mel Fisher’s dream because ____________________..
11. If a diver is too deep for too long, a condition called ____________ might result.
12. A wetsuit helps to keep a diver warm because ___________________________________________.
13. An example of a business involving ecotourism would be ___________________________.
14. The walls of a submersible must be very strong because ______________________.
15. Plastic ducks have been used to ________________________________________.

16. The Titanic has stayed in such great shape because _______________________________.

2. On the same map label four major SEAS.

.

Part V: Blanks. Complete the following paragraph with the proper word or words.
The rotation of the earth is from the _______ to the _______. This causes Europe’s time to be
several hours __________ than ours. The current bringing warm temperatures
to Nova Scotia is called _______________. It swings across to Europe where it splits into a
current heading south and the ___________ current, going north. The Labrador Current is cold
because _______________________.

Word List: East, West, earlier, later, Labrador Current, Gulf Stream, North Atlantic Current


Part VI: Short Answer. Respond to each of the following with detail.
1. a) Describe the route that ships travelled from Europe to North America in the early days.

b) Why was the traders' return trip to Europe faster than to North America?

Why were the scientists surprised at what they learned?

3. a) What is meant by the term bathymetric mapping?

4. a) Describe all that happened when a flame was placed under a paper kettle that contained water.

c) Explain the relationship between water's heat capacity, the oceans and the weather

.

b) How are currents tracked today?

c) How are latitude and longitude used to plot tracker buoys?

d) What good are ocean currents?