Greenhouse effect and aeroplane: what they have in common

1. Step 1. Greenhouse effect — is used in — Solar water heater. A collector under glass.
2. Step 2. Solar water heater — uses — Heat transfer. Heating the water.
3. Step 3. Heat transfer — is used in — Heat shield. It protects by carrying heat away with a vaporizing layer.
4. Step 4. Heat shield — is part of — Space Shuttle. Heat-shield tiles.
5. Step 5. Space Shuttle — has part — Wing. It landed like a glider.
6. Step 6. Wing — is part of — Aeroplane. A wing.

Open Evothings