Amphibious vehicle and kite: what they have in common
- Step 1. Amphibious vehicle — has part — Propeller. A propeller.
- Step 2. Propeller — is part of — Aeroplane. Propeller aircraft.
- Step 3. Aeroplane — evolved from — Glider. The Wrights added an engine to a glider.
- Step 4. Glider — evolved from — Kite. Lilienthal and Cayley studied the wing with kites and gliders.