| Label | Id | |
|---|---|---|
| Biological Symbiosis | PHEN | |
| parasitism | PHEN | |
| basic physical science concepts | PHEN | |
| mass (physics) | PHEN | |
| inertia (physics) | PHEN | |
| work (physics) | PHEN | |
| potential energy | PHEN | |
| Potential Energy | PHEN | |
| mechanical energy | PHEN | |
| kinetic energy | PHEN | |
| chemical energy | PHEN | |
| heat of combustion | PHEN | |
| wave - physical agent | PHEN | |
| wave | PHEN | |
| waves | PHEN |