Vocabulary
The force that makes something float or sink
What is buoyancy
Type of buoyancy when an object rises in the water.
What is Positive Buoyancy
Thrust makes the plane go?
Forward
The amount of salt in a fluid.
What is Salinity
The upward push on an object placed in a liquid
What is Buoyancy
The object floats
What happens when the density of an object is less dense than the water it is placed in?
Without drag the plane would...?
Go too fast
What is the 4 forces of flight
Used to determine the density of a fluid.
What is a hydrometer?
To move or push water aside
What is Displacement
Who came up with the theory that the amount of liquid displaced by an object is = to the weight of the buoyant force
Archimedes
What is the downward force on an object in flight and in water?
Gravity or Weight
What is the purpose of outstretched feet in birds that fly?
To increase drag
liquids made up up of different materials with different densities will do what when placed in the same container?
They will separate.
To create lift, air needs to blow...
Over and under the wing