Hot Air Balloons

Arts, Crafts, & Hobbies

Requirements

  • State the role each of the following played in the development of flying balloons:
    • Joseph Michel Montgolfier and Jacques-Etienne Montgolfier
    • Jean Francois Pilatre de Rozier and Francois Laurent Marquis d’Arlandes
    • Jacques Alexandre Cesar Charles and Nicolas Louis Robert
    • Ben L. Abruzzo, Maxie L. Anderson, and Larry Newman
    • Bertrand Piccard and Brian Jones
  • Cite the principle of Archimedes and briefly describe how it applies to each of the following:
    • A piece of cork floating in a bowl of water
    • A ship floating in the ocean
    • A hot air balloon floating in the atmosphere
  • Using a Chemistry textbook or a reference book of scientific tables, draw up a simple table showing the composition of air by weight and by volume.
  • Draw up a simple table showing a comparison of the atomic number, atomic weight, and density of hydrogen, helium, nitrogen, and oxygen.
  • Name two gases that are used in flying gas-filled balloons.
  • Explain how heat/temperature affects the density of air and how this applies to flying hot air balloons.
  • Explain the role of each of the following in the structure and flying of a hot air balloon:
    • Envelope
    • Support structure
    • Throat
    • Fuel source
  • Name two materials that may be used for the envelope of a hot air balloon, and compare the advantages each cords because of its properties.
  • Describe how flying balloons have served a useful function in:
    • Military campaigns
    • Scientific research
  • At what time of the day do most sport balloon flights take place? Why?
  • Describe how a pilot controls the vertical movement of:
    • A hot air balloon
    • A gas filled balloon
  • Describe how a pilot controls the lateral or horizontal movement of a flying balloon.
  • Build to completion one model hot air balloon (or two if working in pairs).


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