Across
- 4. What happens to temperature and pressure as altitude increases
- 6. Shape of an airfoil or cambered surface
- 8. Degrees Celsius + 273
- 10. According to the "How Do Airplanes Fly?" Nearpod video, planes stay in the air due to Newton's law of _____
- 12. Regarding aircraft Power and Weight, this engine is rated in thrust horsepower
- 13. Scientist who observed an inverse relation between the volume and pressure of a fluid
- 16. Forces need to be _______ for lift, weight, drag, and thrust to keep an aircraft in the air
- 17. The capacity to do work; of which, heat is a form
- 22. Newton's law of equal and opposite actions/reactions
- 26. Pressure needed below the wing for lift to occur, as opposed to the pressure above the wing
- 28. Force that propels a flying machine in the direction of motion
- 30. Regarding aircraft Power and Weight, this engine is rated in brake horsepower
- 31. Within this type of engine, cylinder placement is circular (and sometimes alternating in rows) around the crankcase
- 34. Method of heat transfer from the big bright star
- 35. Force of flight that opposes gravity
- 37. Scientist who observed buoyancy; how or why an object sinks or floats
- 38. Scientist who observed that pressure in a fluid acts equally in all directions and at right angles to a container
- 39. Scientist who introduced the laws of motion
- 40. Convection requires movement of a heated _____ (like a gas or liquid)
- 41. Another name for the force of gravity
- 42. Turbines are referred to as _____ engines
Down
- 1. Cause of some unsafe airport & shop environments and aviation catastrophes, like the Concorde Crash
- 2. Newton's second law, mathematically, is force equals mass times _____
- 3. The push or pull on an object
- 5. Method of heat transfer requiring physical contact between objects of higher and lower amounts of energy (relative to each other)
- 7. Recip engine with streamlined cylinder placement
- 9. Cylinder arrangement involves inline rows angled at 60°
- 11. Part of airplane that provides lift
- 14. In order for lift to occur, the undersides (or lower part) of wings must crash into air molecules more violently on which side of the wing
- 15. (1.8 x Celsius) + 32
- 18. Mathematical step necessary to convert heat energy to mechanical energy
- 19. Number of "forces of flight"
- 20. Newton's law stating that an object's change of motion occurs from an external force (and in the direction in which the force acts)
- 21. Scientist who introduced the Principle of Subsonic Flow
- 23. What happens to pressure as speed increases toward a constriction
- 24. Form of energy that produces increased motion of molecules, thereby making work easier
- 25. Forward force that opposes thrust
- 27. Engines can be either air-cooled or liquid-cooled (true or false)
- 29. From this, all heat energy can be traced to its nuclear reactions
- 32. Includes atmospheric pressure in its gauge reading; normal pressure while engine is not running
- 33. Ft-lbs are a measurement of _____
- 36. (Degrees Fahrenheit - 32) x 5/9