#1
Which of the following is the largest ocean on Earth?
#2
What causes the tides in the Earth's oceans?
#3
What is the name of the current that flows northward along the western coast of North America?
#4
What is the scientific term for the study of ocean currents?
#5
Which of the following gases is the most abundant in Earth's atmosphere?
#6
Which marine organism is known for producing its light, often seen as blue-green flashes in the ocean at night?
#7
What is the name of the zone in the ocean where sunlight cannot penetrate and photosynthesis cannot occur?
#8
What is the name of the process by which salt is removed from seawater to make it drinkable?
#9
Which of the following is NOT a type of coral reef?
#10
Which of the following is NOT considered a major marine ecosystem?
#11
Which of the following phenomena is responsible for the formation of giant waves that can reach heights of over 100 feet?
#12
What phenomenon is responsible for the shifting of Earth's magnetic poles over time?
#13
What is the term used to describe the phenomenon where warm surface waters move towards the poles and cold, deeper waters move towards the equator?
#14
What is the term for the phenomenon where the rising and falling of ocean tides is exaggerated due to the alignment of the Earth, Moon, and Sun?
#15