| 1 | The raft was buoyed up by empty petrol cans. | |
| 2 | The part of a parachute that opens up to catch the air. | |
| 3 | The freedom of buoyancy allows us to act as we truly are. | |
| 4 | The constraints that generate the crystal also generate an emergent property, namely, buoyancy. | |
| 5 | Note that this includes the buoyancy of the bubble wrap, so it isn' t the real density. |