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