What is flight?
the process of flying through the air
What are the four forces of flight?
Thrust, Drag, Lift, Weight
What do elevators do?
Controls the pitch motion of the plane
What is a lighter than air flying device
an airship that generates lift using gases
Name three renewable energy sources
wind, solar, hydro
Aviation is...
the flying of an aircraft
For an aircraft to travel straight and level, lift must be equal to what?
weight
Wing
Controls the lift of the plane
What gas is most commonly used?
Helium
name a non-renewable energy sources
fossil fuels
What did the Wright Brothers call their machine?
Wright Flyer
What is drag?
the force that slows things down
Aileron
Controls the left and right balance
If a hot air balloon wants to go down, what do they do?
open the flap, let off the gas
Name two ways to conserve energy
turn off lights, use natural light, unplug stuff when not using it, play outside instead of inside, do full loads of laundry and dishes
Is air a fluid?
yes - it flows through the atmosphere
What is gravity?
the force of attraction that pulls together all matter
Fuselage
Part of the plane that holds the cargo and passengers
Air can be heated to be less dense? true or false
true
What is polution?
a harmful addition to the environment
What year was the first recorded flight?
1903
Why is thrust necessary?
to overcome drag
Rudder
Controls the side to side movement (yawn)
what word is this unscrambled? imblp
blimp
name two ways you can be energy efficient that we read about in class.
Insulation and Lightbulbs