birds
dragons
dinosaur
bugs
witches
paper planes
man made
planes
.jets
balloons
rockets
helicopter
definition
left - the air pressure is greater underneath the wing then above and the aircraft / bird flies
brag - the force the effects the speed of an aircraft, bird it can slow it down
thrust - the forward movement of an aircraft/ bird
gravity/weight the downward of an object when it is above the earth
aerofoil - the shape of the wing on airplanes and some bird
