| Page |
Vocabulary Word |
| 14 |
retrospect
association
besieged
plundered
speculation |
| 15 |
disregard
imprisonment
plummeted |
| 16 |
ornithopter(s)*
experimentation |
| 17 |
pressure
propellers*
aviation* |
| 18 |
gust
equilibrium |
| 19 |
corresponded
aeronautical*
barometric pressure*
altitude(s)*
speculation |
| 20 |
sustain(ed)
wingspan*
ambitious |
| 21 |
progress(ed)
quest
synchronicity
systematic experiments
undertook (undertake) |
| 22 |
observant
trial and error
methodical
balance
horizontal
rudder*
elevator*
nosedive*
parachute
center of gravity*
devised
observation(s)
wing warping
manipulate(d)
counterbalance |
| 23 |
biplane*
crisscross(ing)
leading edge*
achieve(d)
stability |
| 24 |
seasonal
minimize
compiling (compile)
procedure(s)
test site |
