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Jet stream - Quiz
Contributed by: Bradford
  • 1. What are jet streams?
A) Static zones of high pressure in the stratosphere
B) Fast flowing, narrow air currents in the atmosphere
C) Slow moving, wide air currents in the ocean
D) Vertical shafts of cold air near the poles
  • 2. Where are the main terrestrial jet streams located?
A) Within the Earth's core
B) Near the surface of the Earth
C) Near the altitude of the tropopause
D) At the edge of the exosphere
  • 3. What is the primary direction of the main terrestrial jet streams?
A) Circular (around the equator)
B) Easterly (east to west)
C) Meridional (north to south)
D) Westerly (west to east)
  • 4. What is the typical altitude of the polar jet stream?
A) 5,000 ft
B) 10,000 ft
C) 50,000 ft
D) 30,000 ft
  • 5. Which jet stream is found closer to the equator and is typically weaker?
A) Subtropical jet
B) African easterly jet
C) Equatorial smoke stream
D) Polar-night jet
  • 6. What phenomenon affects the location of the jet streams and subsequently global weather patterns?
A) Volcanic eruptions
B) Tidal forces
C) El Niño–Southern Oscillation
D) The Coriolis effect
  • 7. Why do airlines utilize jet streams?
A) To reduce flight times and fuel consumption
B) To increase air speed for safety
C) To avoid turbulence at high altitudes
D) To maintain communication with ground control
  • 8. Which historical conflict saw the use of jet streams to carry balloon bombs?
A) World War I
B) The American Civil War
C) The Cold War
D) World War II
  • 9. In which other planet's atmosphere have jet streams been detected?
A) Jupiter
B) Mars
C) Mercury
D) The Moon
  • 10. Who first proposed the hypothesis of a powerful air current blowing west to east in the upper air?
A) Reid Bryson
B) Heinrich Seilkopf
C) Elias Loomis
D) Wasaburo Oishi
  • 11. What did weather watchers call the phenomenon observed after the 1883 eruption of Krakatoa?
A) Equatorial smoke stream
B) Strahlströmung
C) Polar vortex
D) Subtropical current
  • 12. Why did Wasaburo Oishi's work on jet streams go largely unnoticed?
A) His data was proven to be incorrect
B) It was censored by the Japanese government
C) He died before publishing his findings
D) It was published in Esperanto
  • 13. Which pilot noticed that his ground speed exceeded his air speed while flying at high altitudes?
A) Charles Lindbergh
B) Wiley Post
C) Reid Bryson
D) Amelia Earhart
  • 14. Who is credited with coining the term 'Strahlströmung'?
A) Heinrich Seilkopf
B) Wiley Post
C) Wasaburo Oishi
D) Elias Loomis
  • 15. What is the typical speed of the polar jet stream?
A) 300 mph
B) 50 mph
C) 110 mph
D) 250 mph
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