Flight #1 Flashcards
0
Q
Explain Gravity:
A
It’s a downward pull.
1
Q
What are the four forces of flight?
A
Gravity
Drag
Lift
Thrust
2
Q
Explain Drag:
A
It slows you down.
3
Q
Explain lift:
A
An upward force.
4
Q
Explain Thrust:
A
Moves an object like an airplane forward.
5
Q
What are the adaptations that allow birds to fly?
A
Smaller size Feathers add little to weight Hollow bones Paper thin skulls Air sacs Fewer bones Powerful pectoral muscles
6
Q
What does propulsion mean?
A
Thrust
7
Q
What gives birds and airplanes thrust?
A
Birds: Flap it’s wings
Airplanes: propeller of jet engine
