OTY Lesson 22

2. If a plane isn't smooth, or is to heavy, there might be too much ____________ and it won't be able to stay in the air.
7. After soldiers had fought their way across north China to save the foreigners that China had under siege in Peking, they forced China to pay ____________ to the nations whose people they had hurt.
10. The ______________ of an airplane is turning around a vertical axis in the center of the plane--the plane stays flat and turns left or right.
13. A Serbian ______________ assassinated the Archduke and Duchess of Austria-Hungary, setting off World War I.
14. Otto Lilienthal is known as the first ________________ because of his work studying bird flight and his gliders.
15. Toward the end of the 1800s many nations had __________________ with China, but many people in China wanted the foreigners to just go away.
17. Germany asked for an ________________ and the fighting stopped--but the peace treaty that was later signed, didn't promote much peace--two decades and a few months later the second World War was engaged.

1. The Allies won the First Battle of Marne, but failed to ___________ Germany, and so the war went on much, much longer.
2. Germany thought after just a few battles, France would be _________________ and give up, but they fought on until victory.
3. The Wrights achieved "three-_______________" control of an airplane, because of this control, they made the first sustainable powered flight.
4. China's Empress _______________ Tzu'u Hzi started the Boxer Rebellion when she declared war on every nation with diplomatic ties to China.
5. Belgium was ______________ in this conflict between Austria-Hungary and Serbia that Germany had joined--so Germany thought it would be fine to take their troops right through there to attack France, who had stepped in to help Serbia.
6. Austria-Hungary was at first afraid to _______________ for the death of their royalty, for fear Russia might attack them.
8. The _______________ of an airplane is movement around a nose to tail axis--one wing goes down and one up.
9. When Germany offered to be an ally to Austria-Hungary, then they gave Serbia a harsh ________________.
11. The _______________ of an airplane is movement using the wings as an axis--the nose of the plane goes up and the tail down or vice versa.
12. On the 11th hour of the 11th day of the 11th month of 1918, the ______________ boom of artillery finally was silent.
16. An airplane's wing shape must enable enough ___________ that the plane can rise.