Nature and Science
Quiz by anakes
This ESL Video quiz titled, "How do airplanes fly?," is for intermediate English as a Second Language students who are studying English online to develop fluency in English.
How do airplanes fly?
Quiz #: 23859
Why do airplanes stay in the air?
What four forces must be balanced?
What is a crucial part of flying?
What part of the wings crash into air molecules more violently?
Low pressure on the top of the plane plus high pressure on the bottom means:
What direction do engines push air?
For the most efficient engine it is good to have:
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