“Open Ocean” Quiz
#1. True or False: The open ocean makes up very little of the
world’s inhabitable space.
#2. How much of the world’s surface does the ocean cover?
#3. How deep is the deepest part of the ocean: 100 feet, 7
miles, or 500 miles?
#4. What makes half of the air we breathe?
#5. What’s the largest animal to have ever lived?
#6. How much does a blue whale eat in a day: 16 grams, 16pounds, or 16 tons?
#7. True or False: blue whales are very quiet.
#8. What kind of tentacles do comb jellies have instead of
stinging ones?
#9. What are the tiny hairs on comb jellies called?
#10. Why don’t we know a lot about comb jellies?

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