Flight Flashcards
0
Q
Understand the adaptation
A
Reduced Size~ one of the reason birds adapted to fly if their small size.
Reduced Weight~ Feathers add very little to a birds weight.
Many of a birds bones are hollow
Paper thin skull
Hidden inside that small body are large sacs filled with air
Air sacs make a bird lighter
Reduced Number of Moving Parts~ birds need fewer muscles because of many of their bones don’t have joints between
Increased Muscular Development~ large and powerful pectoral muscles and enable a bird to flap its wings
1
Q
What are the 4 forces of flight~ exaplain
A
Gravity~ downward pull
Drag~ Slows you down
Lift~ Upward force
Thrust~ moves an object like a airplane forward ( propulsion )
