Air and aerodynamics Quiz

Question Number 1 What is an airfoil shape? A. A circle B. An oval pinched at the end C. A big square Question Number 2 What is Bernoulli's' principle ? A. Eat pizza every day B. Speed of a moving fluid/gas increases the pressure decreases C. None of the above Question Number 3 Does slow air have low pressure? A. Yes B. No C. ? Question Number 4 What do cold air molecules do? A. Go in the house B. Go to Mexico C. Hut D. Huddle Question Number 5 What is stream line? A. A stream In a line B. A design to help redouse drag C. Huh Question Number 6 When did the Wright brothers create the first air plain? A. 2014 B. 1999 C. 1991 D. 1904 E. 1003 F. 1903 Question Number 7 What are the four forces of flight? A. Lift B. Thrust C. Gravity/ weight D. Drag E. All Question Number 8 Is weight the same every where ? A. Yes B. No C. Maybe so Question Number 9 Does hot air create high pressure? A. No B. Yes C. ? Question Number 10 What is the green house affect? A. ? B. Makes the Earth hot C. Destroys trees