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ESL Pathways Frontiers, Lesson 13 Air Tragedies

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  1. zeppelin
    a large airship designed to carry passengers or bombs
    • What is a zeppelin?
  2. shuttle
    public transport plying back and forth between two points
    • What is a space shuttle?
  3. booster
    the first stage of a rocket that provides the initial thrust
    It exploded because of rocker booster failure.
  4. flammable
    easily ignited
    The Hindenburg was filled with highly flammable hydrogen.
  5. orbit
    the path of a celestial body in its revolution about another
    It spent 69 days in space and made 987 orbits of the Earth.
  6. launch
    propel for the first time, on a maiden voyage
    On January 28, 1986, Space Shuttle Challenger was destroyed 73 seconds after launch and all seven astronauts on board were killed.
  7. leak
    enter or escape as through a hole or crack or fissure
    Knowing of the risks with the hydrogen gas, the engineers used various safety measures to keep the hydrogen from causing any fire when it leaked.
  8. spark
    a small fragment of a burning substance
    They also treated the airship's coating to prevent electric sparks that could cause fires.
  9. diameter
    the length of a straight line through the center of a circle
    It was 245 m long (804 feet), 41 m in diameter (135 ft), and would travel at a maximum speed of 135 km/h (83 mph).
  10. crew
    the people who work on a vehicle
    It could carry 72 passengers and had a crew of 61.
  11. tragedy
    an event resulting in great loss and misfortune
    Read the following about air tragedies.
  12. fatal
    bringing death
    The Challenger flew 10 flights, including its final fatal mission.
  13. extremely
    to the greatest possible degree
    Zeppelins were considered extremely safe.
  14. voyage
    a journey to some distant place
    Its first voyage was on April 4, 1983.
  15. carry
    physically move while supporting, by vehicle, hands, or body
    It could carry 72 passengers and had a crew of 61.
Created on Sat May 23 19:29:52 EDT 2020 (updated Sun May 24 04:11:47 EDT 2020)

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