Physical oceanography — IGCSE Marine Science (0697) questions by topic
Six questions work from wind-direction diagrams to explain El Niño's effect on the Pacific, or explain why evaporation rates differ between polar and tropical ocean regions, with marks running from 6 to 11.
Describe, outline, explain, calculate and compare require different depths of answer, and compare wants named differences, not two separate descriptions. Set in 2024 papers, these 6 questions cover mechanisms rather than recall alone, and this page's instant marking helps by checking each stage of an explanation of temperature or evaporation differences, catching a missing causal link before it affects a longer answer.
October–November 2024, Paper 12
The open ocean is divided into three zones. These are the sunlight zone, the twilight zone and the midnight zone. Describe why the concentration of oxygen is high in the sunlight…
Answer this question and get it marked →The water cycle occurs in all parts of the World Ocean. Explain why rates of evaporation are different between polar and tropical areas of the World Ocean.
Answer this question and get it marked →Fig. 7.1 shows the direction of the wind in the Pacific Ocean in a normal year and in a year when an El Niño effect is occurring. In a normal year, arrows over the Pacific point…
Answer this question and get it marked →October–November 2024, Paper 13
The open ocean is divided into three zones. These are the sunlight zone, the twilight zone and the midnight zone. Describe why the concentration of oxygen is high in the sunlight…
Answer this question and get it marked →The water cycle occurs in all parts of the World Ocean. Explain why rates of evaporation are different between polar and tropical areas of the World Ocean.
Answer this question and get it marked →Fig. 7.1 shows the direction of the wind in the Pacific Ocean in a normal year and in a year when an El Niño effect is occurring. In a normal year, arrows over the Pacific point…
Answer this question and get it marked →