Hidden Gems of the Deep Sea: The Ultimate Ocean Facts Trivia
Hidden Gems of the Deep Sea: The Ultimate Ocean Facts Trivia
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Created 6/20/2024
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Think you know everything about the ocean? Test your knowledge with this challenging quiz and uncover fascinating facts about the deep blue sea. Prepare to dive into the unknown!
1. How much of Earth's surface is covered by the ocean?
71%
85%
60%
75%
2. How deep is the Challenger Deep, the deepest part of the ocean?
20,000 feet
25,000 feet
36,200 feet
40,000 feet
3. At what ocean depth does light no longer penetrate, plunging it into total darkness?
200 feet
400 feet
600 feet
800 feet
4. What annual event brings great white sharks to the White Shark Café?
Feeding
Mating
Migration
Nesting
5. Approximately how many viruses can be found in one milliliter of ocean water?
1 million
5 million
10 million
15 million
6. Deep sea vents can reach temperatures up to how many degrees Fahrenheit?
300°F
500°F
700°F
900°F
7. What fraction of the ocean's species is still unknown?
1/2
1/3
1/4
1/5
8. What percentage of the world's ocean has been mapped?
10%
20%
30%
40%
9. How thick would the layer of salt be if spread evenly over Earth's surface?
200 feet
300 feet
500 feet
600 feet
10. The ocean floor is primarily composed of which type of rock?
Sedimentary
Metamorphic
Igneous
Limestone
11. During which climatic period was the ocean 400 feet lower than it is today?
Last ice age
Last interglacial period
Holocene epoch
Cretaceous period
12. How many critical minerals can be found in the ocean?
20
27
34
37
13. Which type of large-scale oceanic process can influence global climate?
La Niña
Gulf Stream
ENSO
Atlantic Meridional Overturning Circulation
14. Which region in the United States conducts significant research on the Great Lakes?
USGS
NOAA
NASA
EPA
15. What is one suspected reason for great white sharks visiting the White Shark Café?
