Early Days of Flight

What was needed to keep early balloons in the air?

• Keep the air in the balloon

• Keep the air inside the balloon hot

• Keep the air inside the balloon cool

• Keep the air inside the balloon flowing

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What gas did J.A.C. Charles use in his balloons?

• Helium

• Hydrogen

• Oxygen

• Carbon Dioxide

Who do most historians give credit for inventing the first successful dirigible?

• Henri Giffard

• Paul Haelein

• Alberto Santos-Dumont

• Count Ferdinand von Zeppelin

What aeronaut organized the Balloon Corps of the Union Army?

• Abraham Lincoln

• Joseph Henry

• Thaddeus Lowe

• General Winfield Scott

When was the balloon section of the Signal Corps established?

• 1890

• 1891

• 1892

• 1898

What did Cayley identify as an important force in connection with aviation?

• Drag

• Altitude

• Air Speed

• Ground Speed

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Who built the Aerodrome?

• Dr. Samuel Pierpont Langley

• Thaddeus Lowe

• W.S. Henson

• John Stringfellow

The upward force on an aircraft against gravity

• Lift

• Drag

• Thrust

• Buoyancy

Looking over battlefields from the sky

• Spying

• Aerial reconnaissance

• Balloon reconnaissance

• Signal reconnaissance

A steerable airship

• Dirigible

• Biplane

• Monoplace

• Helicopter