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Test questions for the Air Force Officer Qualifing Test

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Question
Answer
Force necessary to overcome gravitational force to keep the airplane flying is termed   Lift  
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Ailerons are used primarily to   Roll the airplane  
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Ailerons are located   On the outer edge of the wings  
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Pitch makes the airplane   Go up and down  
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Bank makes the airplane   Roll or turn  
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The four aerodynamic forces acting on an airplane are   Drag, lift, thrust and weight  
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An airplane wing is designed to produce lift resulting from relatively   Positive (High) air pressure below the wings surface and negative (Low) air pressure above the wings surface  
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Flight Instruments   Airspeed Indicator, Altimeter, Attitude Indicator, Veritcal Velocity Indicator  
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Engine Instruments   Tachometer, Ammeter (battery), Altimeter, Altitude in MSL  
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Attitude is indicated by the   False Horizon  
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Define Vertical Velocity   How many feet per minute climbing/diving  
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Tachometer   Engine RPMS  
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Ammeter measures what   Batter Power  
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Forces acting on an aircraft in a steady flight condition (no change in speed or flight path)   Lift equals Weight, Thrust equals Drag  
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A flashing green air traffic control signal directed to an aircraft on the surface is a signal that the pilot   Is cleared to taxi  
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Steady red light signal from the tower to aircraft approaching to land   Continue circling  
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Flashing red light signal from the tower to aircraft approaching to land   Airport is unsafe for landing  
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Propeller blades are curved on one side and flat on the other side to   Produce thrust  
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When in the down (extended) position wingflaps provide   Greater lift and more drag  
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What makes an airplane turn   Horizontal componenet of lift  
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What is one advantage of an airplane said to be inherently stable   Airplane will require less effort to control  
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If the elevator trim tabs on the airplane are lowered, the plane will tend to   Nose up  
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The pilot always advances the throttle during a   Climb  
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The pilot of an airplane can best detect the approach of a stall by the   Ineffectiveness of the ailerons and elevator  
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It is ordinarily desirable to provide an unusually long flight strip at municipal airports for the take-off of   Heavily loaded ships in still air  
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A closed runway is marked on an airfield diagram with   X X X  
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Over run is marked on an airfield diagram with   >>>  
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The rearward retarding force of airplane drag is opposed by   Thrust  
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Cowling is located   Around the engine  
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Airport taxiways are identified at night by omni directional edge lights in what color   Blue  
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If the aircraft ammeter is indicating a minus value, this means the   Generator or alternator output is inadequate  
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The angle formed by the chord of an airfoil and the direction of the relative wind is called the   Angle of attack  
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Aircraft Structure   Fuselage, Wings (w/ ailerons & flaps),Empennage (tail), Landing Gear, Power Plant  
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Empannage Parts   Fixed: Vertical stabilizer and horizontal stabilizer Moveable: Rudder, elevator, trim tabs  
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Power Plant Parts   Engine, Propeller  
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What does the cowling do   Helps cool the engine  
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Propeller creates   Thrust  
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What does the rudder do   Moves the airplane nose left and right  
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What does the elevator do   Moves airplane nose up and down  
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Atmospheric pressure   Weather changes help lift airplane, actuates some flight instruments  
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Air Density   Effects airplanes capability  
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Less dense air   reduces power, thrust and lift  
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Density   Increases with altitude  
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Increase temps   Decreases density  
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Newtons Laws of Motion 1   Body at rest remains at rest  
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Newtons Laws of Motion 2   Constant force creates acceleration proportional to mass  
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Newtons Laws of Motion 3   One body exerts force on another, 2nd exerts force equal to 1st but in opposite direction  
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Magnus Effect   Low pressure upward force  
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Axes of Flight   Pitch, Roll, Yaw  
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Pitch is   Lateral Axis (thru wings)  
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What controls Nose & Tail up and down   Elevators  
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Roll is the   Longitudinal Axis (thru body)  
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What controls the Wings up and down   Ailerons  
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Yaw is   Vertical Axis (up and down)  
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Wings side to side   Rudder  
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State how the Rudder controls the aircraft   Push left pedal, rudder moves left, moves tail to right and nose to the left.  
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Name the Secondary Flight Controls   Flaps, leading edge devices, spoilers and trim devices  
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Trim Systems   Relieve pilot of the need to maintain constant pressure on flight controls  
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Altimeter Purpose   One of most vital inst. in acft. Measures where acft is at in atmosphere presents as altitude.  
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Altimeter Hands   Short: 10,000's feet, Middle: 1,000's feet, Long: 100's feet, Vertical Speed Indicator  
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VSI or VVI   Indicates whether plane is climbing, descending or in level flight Ex: rate of climb 500fpm Airspeed Indicator  
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Turn Indicators   Like a "level", if ball is uncentered aerodynamic forces are unbalanced.  
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Attitude Indicator   Miniture airplane and horizon bar. Indicates attitude of airplane relative to the true horizon.  
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Heading Indicator (aka directional gyro)   Basically compass, not affected by flight.  
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Turn Indicator   If aileron & rudder mvmnts are coordinated during turn, ball remains centered.  
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Magnetic Compass   Sets gyroscopic heading indicator. 30 degrees appears as 3.  
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Basic Flight Maneuvers   Straight & Level Turns, Climbs, Descents,  
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Rudder moves   airplanes nose left and right  
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Aileron moves   Airplane wing  
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Elevator control moves   airplane nose up and down  
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Flying by attitude   visually establishing airplanes attitude with reference to natural horizon  
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Trim   Used to relieve all possible control pressures held after desired altitude has been attained  
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Level Turns   All 4 primary ctrls used (ailerons, elevator, throttle & rudder)  
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3 Types Level Turns   Shallow 20 degrees,Medium 20-45 degrees, Steep 45+ degrees  
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Empannage (cabin)   not considered a major component of an aircraft structure  
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Moving the control wheel or stick to the right will cause the right aileron to   Rotate forward  
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If the control wheel or stick is moved forward   Airspeed will increase  
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Aircraft pitch will change   If the left rudder is pressed then the aircraft will Yaw  
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Mach refers to   Speed of Sound  
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As the radius of a turn decreases the   positive g-forces are increased  
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As altitude increases in order to maintain the same amount of lift an aircraft must   fly faster  
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If a pilot is instructed to land on Rwy 27 using a straight approach, the heading should be   270 degrees  
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When flaps are extended   Drag and lift increase  
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Which two flight controls are used to control the rate of a turn   Elevator and ailerons  
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An aircraft on a heading of 325 is flying   Northwest  
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Under normal VFR conditions how much of a pilots attention should be focused on cockpit instruments   10%  
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Large yellow X's painted on the end of the runway indicate   closed runway  
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The axis which extends lengthwise thru the fuselage from the nose to tail is   longitudinal axis  
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The transponder code which indicates an in-flight emergency is   7700  
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The ctrl system used primarily to relive the pilot from having to maintain constant pressure on the flight controls is the   Trim  
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Drag (during climb) requires increase in thrust.   Need sufficient thrust to continue climb  
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Climb Types   Normal, Best rate of climb (Vy), Best angle of climb (Vx)  
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An aircraft instructed to land on Rwy 23L would establish an approach heading of   230 degrees  
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The four aerodynamic forces acting on an airplane are   Drag, lift, thrust, weight  
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Moving the control stick to the right or left affects which aircraft controls   ailerons  
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The tachometer   is not a flight instrument  
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Flaps are generally used   during takeoff,during landings  
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A flashing green air traffic control signal directed to an aircraft on the surface is a signal that the pilot   is cleared to taxi  
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In creating lift   the air moving over the wing moves faster than the air moving under the wing  
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The propeller blades are curved on one side and flat on the other to   produce thrust  
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On the ground, an aircraft is steered by   pushing the rudder peddles  
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Depressing the left rudder pedal would move the tail of the aircraft   right  
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An aircraft on a heading of 300 degrees is heading   Northwest  
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Supersonic means   Faster than the speed of sound  
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What is the standard weight for gasoline used in aircraft   6lbs/gal  
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The pilot of an airplane can best detect the approach of a stall by the   ineffectiveness of the ailerons and elevator  
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What makes an airplane turn   horizontal component of lift  
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Larger aircraft generally tend to   land on longer runways  
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For runway 23L, what does the L indicate   L stands for the left-hand runway at airports with two runways aligned in the same direction  
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Tachometer   indicates the speed at which the engine crankshaft is rotating. Not a flight instrument!  
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Flaps   Increase lift and drag.  
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Compass headings   360 North, 90 East, 180 South,270 West  
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Northwest Heading   Falls between 270 and 360 degrees  
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Inverse Operation   Subtraction & Division  
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Prime Number   Whole # which can be divided by itself and 1,2, 3, 5, 7, 11, 13  
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Addition Answer   Sum  
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Subtraction Answer   Remainder  
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Multiply Answer   Product  
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Division Answer   Quotient  
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Factors   #s that can be multiplied resulting in a while number Ex: 2 X 3 = 6  
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Composit Number   Whole # that can be divided evenly by itself and 1 AND by at least one other whole # Ex: 4 6 8 10 15 27  
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Order of Operations   "Please Excuse My Dear Aunt Sally"  
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Combine Like Terms 2x + 4x   6x  
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Convert F to C   C=5/9(F-32)  
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Convert C to F   F=9/5C+32  
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1 acre = ___sq ft   43,560 sf  
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Area of a rectangle   Length X Width  
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An eclipse of the sun throws the shadow of the   moon on the earth  
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Substances that hasten a chemical reaction without themselves undergoing change are called   Catalysts  
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Lack of iodine is often related to what disease   Goiter  
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Under natural conditions, large quan of organic matter decay therefore   soils maintain their fertility  
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The thin layer that forms the front of the eyeball is called the   Cornea  
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The most likely reason why dinosaurs became extinct was that they   Failed to adapt to a changing environment  
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Which of the following is a chemical change   Burning one pound of coal  
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A person with high blood pressure should   avoid salt  
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The chief nutrient in lean meat is   Protein  
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Spiders can be distinguished from insects by the fact that spiders have   four pairs of legs  
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An important ore of uranium is called   Pitchblende  
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Of the following the lightest element known on earth is   hydrogen  
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Of the following gases in the air, the most plentiful is   nitrogen  
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The time it takes for light from the sun to reach the earth is approximately   8 minutes  
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Of the following types of clouds, the ones that occur at the greatest height are   Cirrus  
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New drug test. Group A takes drug. Group B takes sugar pill. Group B called   An experimental control  
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After adding salt to water, the freezing point of the water is   lowered  
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Radium is stored in lead containers because   the lead absorbs the harmful radiation  
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The type of joint that attaches the arm to the shoulder blade is the   Ball and socket  
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Limes were eaten by British sailors in order to prevent   Scurvy  
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The time that it takes for the Earth to rotate 45 degrees is   3 hours  
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Of the following planets, the one that has the shortest revolutionary period around the sun is   Mercury  
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What is the negative particle taht circles the nucleus of the atom   Electron  
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In the International System of Units, a measurement for mass is a   kilogram  
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What is energy called that is derived from teh Earth's internal heat?   Geothermal  
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Compouds that include fat and oils found in foods and the human body are   Lipids  
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Resistance is the tendency for a material to oppose the flow of electrons and is measured in   OHMS  
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In order for a lunar eclipse to take place the   earth's axis of rotation must point toward the moon  
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A scientist who studies animals would be called a   zoologist  
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A group of tissues in the human body which work together is   Organ  
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What is an insect scientist called   Entomologist  
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A "dalton" is a unit of measurement for measuring   mass  
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The adult human of average age and size has approximately how many quarts of blood   6  
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The smallest of the FORMED elements of the blood are the   platelets  
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Polaris is   North Star  
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A fish breathes with   Gills  
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The type of element an atom is is determined by   the number of protons  
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Seasons are caused primarily by   the Earth's tilting on its axis  
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Planets in our solar system rotate   counter clockwise  
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A common name for sodium chloride (NaCI) is   salt  
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Animals that eat plants AND other animals are called   omnivores  
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Which planet in the solar system has the least surface gravity   Pluto  
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How many legs does an arachnid have   8  
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A herpetologist would be primarily concerned with the study of   retiles  
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Excepting the three tiny bones in each ear, how many bones are there in a normal adult skeleton   200  
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An elephant can not   jump  
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Blood is returned to the heart through tubes called   veins  
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What kind of bird can build a nest which weighs more than a ton   Bald eagle  
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Paleontologist studies   Dinasours  
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Which panet in our solar system hast he shortest year   Mercury  
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Chloroplasts are found in which type of cells   Plant Cells  
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Your forearm contains two bones. The ulna and   Radius  
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Which planet in our solar system has the longest day   Venus  
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Which of the Earth's NATURAL elements has the highest atomic number   Uranium  
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The lowest or most narrow level of the classification of organisms is called   Species  
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Water freezes at what temperature   0 degrees C  
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WIs burning charcoal in your BBQ a chemical reaction   yes  
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Where are electrons found in an atom   in orbital layers around the nucleus  
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H2O is the chemical formula for   water and ice  
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What percentage of elements are metals   75%  
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How many meters are there in one kilometer   1,000  
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An oxide is formed when an element is chemically combined with what type of specific element   Oxygen  
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A very strong acid would have a pH closer to   1  
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Carbon has an atomic number of 6. How many protons would the element contain?   6  
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Elements with the same number of protons but different numbers of neutrons are called   isotopes  
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What percentage of the worlds population lives in the United States?   6 percent  
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Which is the deepest ocean   Pacific Ocean  
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Which of the planets in our solar system has the most known moons   Jupiter  
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What does the color of a start signify   surface temperature  
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What planet does the moon named Io orbit   Jupiter  
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Cloroplasts   help plant cells turn sunlight into energy for the plant  
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Lanthanum   has a higher atomic number than uranium but is not a NATURAL element  
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Nitrogen   Makes up 78% of the gases in the air  
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Jupiter   Has 60 known moons  
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Pacific Ocean   averages about 4,000 meters deep  
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Star color   Blue stars are hotter than red stars  
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Pentagon have ___ sides   5 sided polygon  
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Hexagon have ___ sides   6 sided polygon  
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Octagon have ___ sides   8 sided polygon  
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Decagon have ___ sides   10 sided polygon  
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Triangle have ___ sides   3 sided polygon  
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Quadrilateral have ___ sides   4 sided polygon  
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Polygon   closed-in shape, made up of 3 or more straight lines.  
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Equilateral Triangle   All 3 sides are equal, the angles of all 3 sides are 60 degrees each  
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Isosceles Triangle   2 sides have equal length, and whose opposing sides haev equal angles  
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Scalene Triangle   A triangle all 3 sides and all 3 angles are unequal  
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Acute Triangle   All 3 angles are less than 90 degrees  
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Obtuse Triangle   1 angle is greater than 90 degrees  
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Right Triangle   Triangle with a 90 degree right angle.  
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Hypotenuse   Longest side of a right triangle. Other sides are called LEGS  
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Concurrent Triangles   Triangles which are identical.  
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Similar Triangles   Triangles same shape but not same size.  
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Special Lines   Indicate altitudes, medians and angle bisections (dashed line you create solving problem)  
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Quadrilateral   Polygon with 4 sides. Sum always measures 360 degrees.  
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Parallelogram   Quadrilateral whose opposing sides are parallel to each other. Opposite sides are also equal.  
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Rectangle   All angles are 90 degrees.  
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Square   All four sides are equal in length  
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Rhombus   All four sides equal but 2 are slanted  
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Trapezoid   two sides parallel but two are not  
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Circle   360 degrees  
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Circumfrance is   the length around a shape  
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Diameter   line going across the circle, 1/2 circle  
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Radius   1/4 circle, 1/2 diameter  
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Perimeter   Sum of the length of all sides  
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Pythagorean Theorem   hypotenuse (long line) equal to sum of the square of the legs c2=a^2+b^2  
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Diameter of Circle   pi (3.14 or 22/7 or 3 1/7)  
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Circumference of Circle equals   pi X diameter or pi X radius X2  
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Area of Rectangle or Square   Length X Width  
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Area of Parallelogram   Base X Height  
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Area of Triangle   1/2 base length X Height  
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Area of Circle   pi X radius squared  
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Volume   inside of 3 dimensional objects (instead of area on flat objects)  
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Rectangle Volume   L X W X H  
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Cube/Square Volume   1 side cubed (s3)  
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Cylinder Volume   Base X Height  
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In chemistry, what are alpha particles   helium nuclei  
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A dalton is a unit of measure for   mass  
🗑
The adult human of average age and size has approximately how many quarts of blood   6  
🗑
The smallest of the FORMED elements of the blood are the   platelets  
🗑
Polaris is   North Star  
🗑
The lightest element found on Earth is   hydrogen  
🗑
A fish breathes with   gills  
🗑
The time it takes for light from the sun to reach the earth is approx.   8 minutes  
🗑
The type of element an atom is determined by is   number of protons  
🗑
Seasons are caused primarily by   Earth's tilting on its axis  
🗑
Planets in our solar system rotate   counterclockwise  
🗑
Which planet has the shortest revolutionary period around the sun   Mercury  
🗑
The Baume scale is used to measure   specific gravity  
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The Antoine equation is used to   estimate the vapor pressures of pure liquids or solids  
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Surplus red blood cells are stored in what organ   Spleen  
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What region of brain influences body temp, metabolism etc   hypothalamus  
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What causes the stars to twinkle   turbulent air  
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Electrons which move thru an electric circuit as current have a   negative charge  
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Fire is a form of   energy  
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Rust is caused by a chemical reactinon known as   oxidation  
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When heat is transferred through a solid the process is called   conduction  
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The time it takes the earth to rotate 45 degrees is   3 hours  
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At higher altitudes, water boils   at a lower temperature  
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What is the name for the negative particle which circles the nucleus of the atom   electron  
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When entering a climb from level flight, the weight of the acft   results in increased drag  
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Turbulence is caused by   convective air currents, obstructions to wind flow, wind shear  
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A minimally safe airspeed descent is principally used   when clearing obstacles during landing  
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When in the down (extended) position, wing-flaps provide   greater lift and more drag  
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An aircraft must travel __________ at 10,000ft than at 1,000ft   faster  
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Are flaps a primary flight control   No  
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When a flt is identified as "heavy" it means   more than 250,000 pounds of gross weight  
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What does the term yaw mean   directional turning from the tail section  
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The IFF on a military aircraft   indicates whether an aircraft is an enemy or ally  
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The line on an airspeed indicator to warn that operating above the indicated level is danderous is colored   red  
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When taking off into a headwind, the result will be   shorter takeoff distance and increased climb angle  
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If the elevator tabs on a plane are lowered, the plane will tend to   nose up  
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If one end of a rwy is number 27, what will the other end be   09  
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Flaps are generally used   during takeoff and landing  
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Air moving over the wing   moves faster than the air moving under the wing  
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What is the standard wight for gasoline in the acft   6lbs/gal  
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Area of Rectangle   Length x Width  
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Area of Square   Side Squared  
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Volume of Rectangle   Length x Height x Width  
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Volume of Cube   Side Cubed  
🗑


   

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