Question 1: What makes an ornithopter unique?
It flaps its wings
It has no wings
It uses no fuel
Correct Answer: It flaps its wings
Question 2: Which flying machine uses a fan for lift?
Hovercraft
Zeppelin
Hang Glider
Correct Answer: Hovercraft
Question 3: What aircraft uses human-powered flight?
Gossamer Albatross
Concorde
Biplane
Correct Answer: Gossamer Albatross