| Answer | Crossword Clue |
|---|---|
| TIRED | Short on energy |
| SPURTS | Short bursts of energy |
| SPURT | Short burst of energy |
| AMP | Energy unit, for short |
| CARB | Energy source, for short |
| LED | Energy-saving bulb, for short |
| EVS | Tiny energy units, for short |
| ATP | Biochemical energy source, for short |
| CARB | Energy-supplying compound, for short |
| CARB | Energy-supplying food, for short |
| ATP | Energy-carrying molecule, for short |
