1.3 Oceans and Seas

Question 1

World Ocean

Answer 1

All the oceans, which are interconnected to encircle the world

Question 2

freshwater

Answer 2

Water that has a very low concentration of salts; it is used for drinking water

Question 3

coordinates

Answer 3

a pair of numbers used to identify a point

Question 4

latitude

Answer 4

the distance from the equator to the North Pole or South Pole,on a scale where 0 degrees is at the equator and 90 degrees is at the pole.

Question 5

Prime Meridian

Answer 5

A line from the North Pole to the South Pole through the Royal Observatory in Greenwich England

Question 6

Longitude

Answer 6

the distance east or west from the Prime Meridian on a scale where 0 degrees is at the Prime Meridian and 180 degrees is on the opposite side of the Earth from the Prime Meridian

Question 7

Polar Zones

Answer 7

the area north of the Arctic Circle or South of the Antarctic Circle

Question 8

temperate zones

Answer 8

the area between the Tropic of Cancer and the Arctic Circle, and the area between the Tropic of Capricorn and the Antarctic Circle

Question 9

erosion

Answer 9

the wearing away of rock along the coastline

Question 10

geomorphology

Answer 10

the study of the physical features of the surface of the Earth and their relation to its geological structures and processes

Question 11

continental slope

Answer 11

the steeper slope from the continental shelf to near the abyssal

Question 12

abyssal plain

Answer 12

the generally flat ocean floor usually at depths of 3000-6000 m