IGCSE MARINE SCIENCE EXAM PREP QUESTIONS
World Ocean - Answers :all the oceans, which are interconnected to encircle the world
freshwater - Answers :water that has very low concentration of salt
coordinates - Answers :a pair of numbers to identify a point
latitude - Answers :the distance from the equator to the north or south pole
longitude - Answers :the distance east or west from the Prime Meridian
polar zone - Answers :the area north of the Arctic Circle or south of the Antarctic Circle
temperature zones - Answers :the area between the Tropic of Cancer and the Arctic
circle, the area between the Tropic of Capricorn and the Antarctic Circle
erosion - Answers :the wearing away of rocks along a coastline
geomorphology - Answers :the study of the physical features of the surface of the Earth
and their relation to its geological structures and processes
continental slope - Answers :the steeper slope from the continental shelf to the nearest
abyssal plain
abyssal plain - Answers :the generally flat ocean floor, usually at depths of 3000 -
6000m
tides - Answers :the rising and falling of the sea in regular cycles, caused by the
gravitational attraction between the Earth, the Moon and the Sun
Spring tides - Answers :tides experienced during the new and full Moon with higher high
tides and lower low tides
neap tide - Answers :tides experienced during the first and last quarters of the Moon.
tidal amplitude - Answers :half the difference in height between high tide and the
following low tide
(sea or ocean) currents - Answers :continuous flow of seawater in a particular direction
prevailing winds - Answers :the direction from which winds usually blow at a particular
location
gyre - Answers :Large system of rotating ocean currents caused by the Coriolis Effect.
World Ocean - Answers :all the oceans, which are interconnected to encircle the world
freshwater - Answers :water that has very low concentration of salt
coordinates - Answers :a pair of numbers to identify a point
latitude - Answers :the distance from the equator to the north or south pole
longitude - Answers :the distance east or west from the Prime Meridian
polar zone - Answers :the area north of the Arctic Circle or south of the Antarctic Circle
temperature zones - Answers :the area between the Tropic of Cancer and the Arctic
circle, the area between the Tropic of Capricorn and the Antarctic Circle
erosion - Answers :the wearing away of rocks along a coastline
geomorphology - Answers :the study of the physical features of the surface of the Earth
and their relation to its geological structures and processes
continental slope - Answers :the steeper slope from the continental shelf to the nearest
abyssal plain
abyssal plain - Answers :the generally flat ocean floor, usually at depths of 3000 -
6000m
tides - Answers :the rising and falling of the sea in regular cycles, caused by the
gravitational attraction between the Earth, the Moon and the Sun
Spring tides - Answers :tides experienced during the new and full Moon with higher high
tides and lower low tides
neap tide - Answers :tides experienced during the first and last quarters of the Moon.
tidal amplitude - Answers :half the difference in height between high tide and the
following low tide
(sea or ocean) currents - Answers :continuous flow of seawater in a particular direction
prevailing winds - Answers :the direction from which winds usually blow at a particular
location
gyre - Answers :Large system of rotating ocean currents caused by the Coriolis Effect.
