1. Who do many people consider to be one of the first people to really experiment with flight?
2. How many drawings did Leonardo da Vinci produce related to the flight of birds and bats?
3. In what year did Veranzio design his first parachute?
4. When did Cayley fly his gliders?
5. What did Leonardo da Vinci design that allowed his machines to ascend into the air and descend to the ground in the same way that modern helicopters do?
Match the words to the paragraph:
ascend, descend, forces, parachute, proved, stable, |
Many people consider Leonardo da Vinci to be one of the first people to really experiment with flight. He produced over 6,000 pages and 500 drawings related to the flight of birds and bats. He also studied the (1)_______________that affect objects in the air, and worked on flying machines. Long before Veranzio designed his (2)_______________ in 1595, da Vinci had drawn a sketch of one. Long before Cayley flew his gliders in the 1800’s, da Vinci had designed one. In order to fly, it needed only a small change to make the glider’s movement (3)_______________, as was (4)_______________ later. And long before modern helicopters existed, da Vinci had drawn several versions. His “aerial screw” allowed his machine to (5)_______________ into the air and (6)_______________ to the ground the same way modern helicopters do.
Match the words to the definitions:
_______________ a large piece of cloth that is fixed to your body by strings and helps you to drop safely from an aircraft
_______________ to move up or to a higher position
_______________ to show that something is true
_______________ fixed or safe and not likely to move
_______________ in scientific use, (a measure of) the influence that changes movement
_______________ to move or go down
Answers:
Many people consider Leonardo da Vinci to be one of the first people to really experiment with flight. He produced over 6,000 pages and 500 drawings related to the flight of birds and bats. He also studied the (1)forces that affect objects in the air, and worked on flying machines. Long before Veranzio designed his (2)parachute in 1595, da Vinci had drawn a sketch of one. Long before Cayley flew his gliders in the 1800’s, da Vinci had designed one. In order to fly, it needed only a small change to make the glider’s movement (3)stable, as was (4)proved later. And long before modern helicopters existed, da Vinci had drawn several versions. His “aerial screw” allowed his machine to (5)ascend into the air and (6)descend to the ground the same way modern helicopters do.