Artifacts from the Bottom of the Mariana Trench - Test
- 1. What is the deepest part of the Mariana Trench called?
A) Hadal Zone
B) Puerto Rico Trench
C) Challenger Deep
D) Java Trench
- 2. Which vehicle was used to first reach the bottom of the Mariana Trench in 1960?
A) Alvin
B) DSV Limiting Factor
C) Bathyscaphe Trieste
D) Deepsea Challenger
- 3. What type of fish was discovered in the Mariana Trench?
A) Deep-sea snailfish
B) Anglerfish
C) Clownfish
D) Pufferfish
- 4. What is a primary concern regarding debris at the trench's bottom?
A) Ocean pollution
B) Thermal vents
C) Undersea earthquakes
D) Fragile ecosystems
- 5. What is a notable feature of the Mariana Trench's ecosystem?
A) High temperatures
B) Plentiful sunlight
C) Rich in nutrients
D) High pressure environment
- 6. What year did Jacques Piccard and Don Walsh first reach the trench's bottom?
A) 1975
B) 1980
C) 1955
D) 1960
- 7. What percentage of the ocean's depths remains unexplored?
A) 90%
B) 60%
C) 80%
D) 50%
- 8. How is the Mariana Trench formed geologically?
A) Glacial carving
B) Volcanic eruption
C) Seafloor spreading
D) Subduction zone
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