WorksheetsReview V9 - The Invention of Variable-Pitch Propellers
Total questions: 20
Worksheet time: 7mins
(adj) Rough; not smooth.
Flexible
Coarse
Variable
Reliable
(n) Inability to change.
Aviation
Isolation
Inflexibility
Revolution
(v) To travel at a steady speed.
Confer
Handle
Pitch
Cruise
(adv) Dependably.
Reliably
Variably
Inflexibly
Enthusiastically
(adj) Continuing for a long time, often in a negative sense.
Prolonged
Variable
Sustained
Reliable
(n) A plan for making something.
Rotation
Isolation
Curiosity
Design
(v) To change completely.
Confer
Cruise
Revolutionize
Isolate
(adj) Able to change.
Reliable
Variable
Inflexible
Sustained
(n) Turning motion.
Pitch
Curiosity
Rotation
Aviation
(adj) Having the ability to continue for a long time.
Sustained
Enthusiastic
Isolated
Vary
Early pilots could not r (a) on their planes to carry heavy loads.
New inventions r (a) the way we do things.
Researchers look at different v (a) in their studies.
An inventor may need to i (a) herself in order to do her best work.
The inventor worked e (a) to turn his idea into reality.
Strong, sudden movements in air is t (a) .
The development, design, and use of aircraft is a (a) .
A device that causes an airplane or boat to move is p (a) .
A thin, flat part of a machine is a b (a) .
The angle or slope of something is p (a) .
