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Unit 4 vocabulary/ page 44

Unit 4 vocabulary/ page 44. L.1/ What caused the explosion ?. U. 4/ L. 1 vocabulary. incident : a definite and separate occurrence /an event space shuttle : a spacecraft winged orbiter : a spacecraft, having wings, that orbits a planet or moon without landing on it

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Unit 4 vocabulary/ page 44

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  1. Unit 4 vocabulary/ page 44 L.1/ What caused the explosion? F. Dwaikat

  2. U. 4/ L. 1 vocabulary • incident: a definite and separate occurrence /an event • space shuttle: a spacecraft • winged orbiter: a spacecraft, having wings, that orbits a planet or moon without landing on it • cargo: goods carried by a ship, aircraft, or other vehicle; freight • crew: a group of people working together • tank: a large container that provides fuel F. Dwaikat

  3. U. 4/ L. 1 vocabulary • propellant:  a rocket fuel that propels or provides thrust. • boosters : a device for increasing power or effectiveness. • launch: to set or thrust a craft in motion • O-ring: arubber ring used in machinery as a seal; A flat ring made of rubber or plastic • vital: essential; very important F. Dwaikat

  4. U. 4/ L. 1 vocabulary • by-product: a secondary result; a side effect. something produced in the process of making something else.e.g: When plants produce carbohydrates by photosynthesis, oxygen is released as a by-product. • brittle: easily damaged • premature: occurring before the normal or expected time • SRBs: Solid Rocket Boosters F. Dwaikat

  5. Space shuttle components external fuel tank winged orbiter SRBs Solid Rocket Boosters F. Dwaikat

  6. Solid Rocket Boosters (SRBs) (or Motors, SRMs) are used to provide thrust in spacecraft launches from the launch-pad up to burnout of the SRBs NASA Image of the final Solid Rocket Booster (right) being mated to a Delta II rocket (blue). Two boosters (white) can be seen already attached. F. Dwaikat

  7. A Space Shuttle External Tank (ET) on its way to the Vehicle Assembly Building. F. Dwaikat

  8. orbiter: something that orbits, especially a spacecraft that orbits a planet or moon without landing on it. It carries the crew & the cargo. F. Dwaikat

  9. The Challenger’s crew F. Dwaikat

  10. O-ring seal; joint F. Dwaikat

  11. Space Shuttle Columbia launching F. Dwaikat

  12. The Challenger’s explosion F. Dwaikat

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