Hot Air Balloons in the Battle of San Juan Hill

After reading the account of how hot air balloons were used in the Battle of San Juan Hill, what advantage did the US Army balloonists have over the Spanish?

• They could view the battlefield from above.

• They had more troops.

• They had better weapons.

• They were familiar with the terrain.

What are the two lines of aviation development followed in the nineteenth century?

• Lighter-than-air and heavier-than-air

• Commercial and military aviation

• Jet propulsion and propeller-driven

• Civil and cargo aviation

What are the three problems of flight all aviators face?

• Lift, Drag, and Thrust

• Navigation, Communication, and Weather

• Lift, Weight, and Balance

• Drag, Lift, and Weight

How did inventors solve the problem of steering lighter-than-air craft?

• By using sails

• By using oars

• By using rudders and propellers

• By using weight shifting

Who was Thaddeus Lowe, and what group did he organize during the Civil War?

• A famous Civil War general who led the Union Army

• An inventor who organized the Union Army Balloon Corps

• A Confederate spy who infiltrated the Union Army

• A politician who served as President during the Civil War

When the US Army Signal Corps established a balloon section, which other countries had already been using balloons as part of their armed forces?

• France and Germany

• Italy and Russia

• Japan and China

• Brazil and Argentina

How did a balloon help the US Army win the Battle of San Juan Hill in Cuba?

• It provided aerial reconnaissance.

• It was used to drop supplies.

• It served as a distraction.

• It was used for communication.

Which three important forces did Sir George Cayley identify?

• Lift, Drag, and Thrust

• Gravity, Magnetism, and Friction

• Inertia, Momentum, and Velocity

• Pressure, Temperature, and Volume

Which two men did important work using gliders?

• Orville and Wilbur Wright

• Leonardo da Vinci and Igor Sikorsky

• Samuel Langley and Glenn Curtiss

• Otto Lilienthal and Percy Pilcher

What do historians fault Samuel Langley for?

• His failed attempts at powered flight

• His contributions to astronomy

• His work on the speed of light

• His role in the development of the telegraph