Hook tape and radio: what they have in common

1. Step 1. Hook tape — is part of — Hook-and-loop fastener. Stiff hooks.
2. Step 2. Hook-and-loop fastener — is made of — Nylon. Nylon hooks and loops.
3. Step 3. Nylon — is material for — Hot air balloon. A light, strong envelope fabric.
4. Step 4. Hot air balloon — uses — Archimedes’ principle. Warm air is lighter than cold — Archimedes’ principle in the atmosphere.
5. Step 5. Archimedes’ principle — is used in — Weather balloon. A balloon filled with hydrogen or helium.
6. Step 6. Weather balloon — has part — Radio. A radiosonde.

Open Evothings